#2585FF
Closest named color: Clear Blue (#247AFD). oklch(63% 0.201 257), rgb(37, 133, 255).
Aa
Black text reads best on this color (5.87:1).
About this color
#2585FF is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.201 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.028 away. Black text reads best on it, at 5.87:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.201) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.87:1 |
| White text | 3.57:1 |
Values
| HEX | #2585FF |
| RGB | rgb(37, 133, 255) |
| HSL | hsl(214, 100%, 57%) |
| OKLCH | oklch(63% 0.201 257) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #2585FF | 3.57:1 | AA large text | Lc -68.2 | Content text, not long reading |
| Black text on #2585FF | 5.87:1 | AA | Lc 41.4 | Non-text elements, placeholder text |
| #2585FF text on white | 3.57:1 | AA large text | Lc 62.7 | Content text, not long reading |
| #2585FF text on black | 5.87:1 | AA | Lc -39.0 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DEEBFD
oklch(93.6% 0.028 256.5)
-
Step 200
200
#C3DBFE
oklch(88.5% 0.055 257.7)
-
Step 300
300
#99C3FF
oklch(80.9% 0.097 257.3)
-
Step 400
400
#5EA1FF
oklch(70.7% 0.154 257.1)
-
Step 500
500 (this color)
#2585FF
oklch(63% 0.201 257)
-
Step 600
600
#006EE3
oklch(55.7% 0.197 256.9)
-
Step 700
700
#005CC1
oklch(49.2% 0.175 257.1)
-
Step 800
800
#004B9F
oklch(42.7% 0.151 256.9)
-
Step 900
900
#033E85
oklch(37.6% 0.132 257.2)
-
Step 950
950
#06254E
oklch(26.9% 0.084 257.1)
#2585FF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #3C92FF | 0.039 |
| Deuteranopia (no green cones) | #007EFD | 0.023 |
| Tritanopia (no blue cones) | #00A3B6 | 0.152 |
| Achromatopsia (no color) | #878787 | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2585FF
#2585FF
oklch(63% 0.201 257)
- #B57D00
#B57D00
oklch(63.1% 0.132 77.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2585FF, closest first.
No curated palette has a color within ΔE 0.04 of #2585FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.028
- Dodger Blue #1E90FF ΔE 0.028
- Dark Sky Blue #448EE4 ΔE 0.054
- Chefchaouen Blue #4895EF ΔE 0.058
- Soft Blue #6488EA ΔE 0.060
- Cornflower #6A79F7 ΔE 0.061
- Cerulean Blue #056EEE ΔE 0.065
- Cornflower Blue #6495ED ΔE 0.076
Use #2585FF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.