#5787DE
Closest named color: Dark Sky Blue (#448EE4). oklch(63% 0.142 261.4), rgb(87, 135, 222).
Aa
Black text reads best on this color (5.92:1).
About this color
#5787DE is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.142 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.023 away. Black text reads best on it, at 5.92:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.92:1 |
| White text | 3.54:1 |
Values
| HEX | #5787DE |
| RGB | rgb(87, 135, 222) |
| HSL | hsl(219, 67%, 61%) |
| OKLCH | oklch(63% 0.142 261.4) |
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 #5787DE | 3.54:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #5787DE | 5.92:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #5787DE text on white | 3.54:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #5787DE text on black | 5.92:1 | AA | Lc -38.9 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CBDAF3
oklch(88.5% 0.038 260.7)
-
Step 300
300
#A8C2EE
oklch(81% 0.069 260.9)
-
Step 400
400
#79A1E6
oklch(70.8% 0.111 260.9)
-
Step 500
500 (this color)
#5787DE
oklch(63% 0.142 261.4)
-
Step 600
600
#3D6FCC
oklch(55.6% 0.154 261.5)
-
Step 700
700
#2F5DB1
oklch(49.2% 0.143 261.3)
-
Step 800
800
#284C8F
oklch(42.7% 0.119 261.5)
-
Step 900
900
#244072
oklch(37.7% 0.092 261.1)
-
Step 950
950
#162643
oklch(27.1% 0.058 261.5)
#5787DE 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) | #618FE1 | 0.025 |
| Deuteranopia (no green cones) | #4E82DC | 0.017 |
| Tritanopia (no blue cones) | #009BA8 | 0.121 |
| Achromatopsia (no color) | #888888 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5787DE
#5787DE
oklch(63% 0.142 261.4)
- #B07F00
#B07F00
oklch(62.9% 0.13 81.4)
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 #5787DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.023
- Soft Blue #6488EA ΔE 0.024
- Chefchaouen Blue #4895EF ΔE 0.041
- Cornflower Blue #6495ED ΔE 0.045
- Water Blue #0E87CC ΔE 0.055
- Dodger Blue #1E90FF ΔE 0.058
- Cornflower #6A79F7 ΔE 0.059
- Faded Blue #658CBB ΔE 0.060
Use #5787DE 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.