#5787CF
Closest named color: Dark Sky Blue (#448EE4). oklch(62.2% 0.121 258.3), rgb(87, 135, 207).
Aa
Black text reads best on this color (5.77:1).
About this color
#5787CF is a medium-light, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.121 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.035 away. Black text reads best on it, at 5.77:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.77:1 |
| White text | 3.63:1 |
Values
| HEX | #5787CF |
| RGB | rgb(87, 135, 207) |
| HSL | hsl(216, 56%, 58%) |
| OKLCH | oklch(62.2% 0.121 258.3) |
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 #5787CF | 3.63:1 | AA large text | Lc -69.3 | Content text, not long reading |
| Black text on #5787CF | 5.77:1 | AA | Lc 40.3 | Non-text elements, placeholder text |
| #5787CF text on white | 3.63:1 | AA large text | Lc 63.8 | Content text, not long reading |
| #5787CF text on black | 5.77:1 | AA | Lc -37.9 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF6
oklch(93.5% 0.018 261.3)
-
Step 200
200
#CCDAEF
oklch(88.4% 0.033 258.4)
-
Step 300
300
#A9C2E8
oklch(80.8% 0.061 258.7)
-
Step 400
400
#7CA2DC
oklch(70.7% 0.095 258.6)
-
Step 500
500 (this color)
#5787CF
oklch(62.2% 0.121 258.3)
-
Step 600
600
#3F73BF
oklch(55.7% 0.131 257.9)
-
Step 700
700
#3160A5
oklch(49.2% 0.122 258.1)
-
Step 800
800
#294E86
oklch(42.6% 0.103 258.5)
-
Step 900
900
#26426B
oklch(37.8% 0.078 257.9)
-
Step 950
950
#17273F
oklch(27.2% 0.05 258.3)
#5787CF 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) | #698CD2 | 0.026 |
| Deuteranopia (no green cones) | #5A81CD | 0.016 |
| Tritanopia (no blue cones) | #0097A1 | 0.106 |
| Achromatopsia (no color) | #868686 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5787CF
#5787CF
oklch(62.2% 0.121 258.3)
- #AE7C1A
#AE7C1A
oklch(62.1% 0.122 78.2)
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 #5787CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.035
- Cool Blue #4984B8 ΔE 0.039
- Faded Blue #658CBB ΔE 0.040
- Soft Blue #6488EA ΔE 0.044
- Water Blue #0E87CC ΔE 0.046
- Steel Blue #4682B4 ΔE 0.047
- Off Blue #5684AE ΔE 0.050
- Dusty Blue #5A86AD ΔE 0.052
Use #5787CF 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.