#2185DF
Closest named color: Water Blue (#0E87CC). oklch(60.8% 0.162 251), rgb(33, 133, 223).
Aa
Black text reads best on this color (5.48:1).
About this color
#2185DF is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.162 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.032 away. Black text reads best on it, at 5.48:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.48:1 |
| White text | 3.82:1 |
Values
| HEX | #2185DF |
| RGB | rgb(33, 133, 223) |
| HSL | hsl(208, 75%, 50%) |
| OKLCH | oklch(60.8% 0.162 251) |
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 #2185DF | 3.82:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #2185DF | 5.48:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #2185DF text on white | 3.82:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #2185DF text on black | 5.48:1 | AA | Lc -36.4 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBF9
oklch(93.5% 0.023 252.2)
-
Step 200
200
#C4DCF6
oklch(88.5% 0.044 250.4)
-
Step 300
300
#9BC5F3
oklch(81% 0.079 251.1)
-
Step 400
400
#60A5ED
oklch(70.7% 0.127 251)
-
Step 500
500 (this color)
#2185DF
oklch(60.8% 0.162 251)
-
Step 600
600
#0075CD
oklch(55.6% 0.161 250.9)
-
Step 700
700
#0062AE
oklch(49.1% 0.143 251.1)
-
Step 800
800
#005090
oklch(42.7% 0.125 251.1)
-
Step 900
900
#054377
oklch(37.8% 0.105 250.8)
-
Step 950
950
#082746
oklch(26.9% 0.068 251.9)
#2185DF 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) | #588BE3 | 0.046 |
| Deuteranopia (no green cones) | #387BDD | 0.027 |
| Tritanopia (no blue cones) | #009BA7 | 0.119 |
| Achromatopsia (no color) | #828282 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2185DF
#2185DF
oklch(60.8% 0.162 251)
- #B37300
#B37300
oklch(60.9% 0.131 71.1)
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 #2185DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.032
- Dark Sky Blue #448EE4 ΔE 0.036
- Dodger Blue #1E90FF ΔE 0.053
- Windows Blue #3778BF ΔE 0.055
- Clear Blue #247AFD ΔE 0.056
- Chefchaouen Blue #4895EF ΔE 0.057
- Soft Blue #6488EA ΔE 0.059
- Cool Blue #4984B8 ΔE 0.063
Use #2185DF 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.