#5987D4
Closest named color: Dark Sky Blue (#448EE4). oklch(62.5% 0.127 260.2), rgb(89, 135, 212).
Aa
Black text reads best on this color (5.84:1).
About this color
#5987D4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.127 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.030 away. Black text reads best on it, at 5.84:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.84:1 |
| White text | 3.59:1 |
Values
| HEX | #5987D4 |
| RGB | rgb(89, 135, 212) |
| HSL | hsl(218, 59%, 59%) |
| OKLCH | oklch(62.5% 0.127 260.2) |
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 #5987D4 | 3.59:1 | AA large text | Lc -68.8 | Content text, not long reading |
| Black text on #5987D4 | 5.84:1 | AA | Lc 40.7 | Non-text elements, placeholder text |
| #5987D4 text on white | 3.59:1 | AA large text | Lc 63.4 | Content text, not long reading |
| #5987D4 text on black | 5.84:1 | AA | Lc -38.3 | 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
#CCDAF1
oklch(88.5% 0.035 260.4)
-
Step 300
300
#AAC2EA
oklch(81% 0.063 260.6)
-
Step 400
400
#7CA1DF
oklch(70.6% 0.1 260.4)
-
Step 500
500 (this color)
#5987D4
oklch(62.5% 0.127 260.2)
-
Step 600
600
#4071C3
oklch(55.5% 0.138 260.1)
-
Step 700
700
#325EA9
oklch(49% 0.13 260.4)
-
Step 800
800
#2A4D89
oklch(42.6% 0.108 260.5)
-
Step 900
900
#26416D
oklch(37.7% 0.083 259.7)
-
Step 950
950
#172640
oklch(27% 0.053 260.8)
#5987D4 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) | #678DD7 | 0.024 |
| Deuteranopia (no green cones) | #5782D2 | 0.014 |
| Tritanopia (no blue cones) | #0098A3 | 0.112 |
| Achromatopsia (no color) | #878787 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5987D4
#5987D4
oklch(62.5% 0.127 260.2)
- #AF7E09
#AF7E09
oklch(62.6% 0.127 80.7)
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 #5987D4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.030
- Soft Blue #6488EA ΔE 0.036
- Faded Blue #658CBB ΔE 0.046
- Cool Blue #4984B8 ΔE 0.047
- Chefchaouen Blue #4895EF ΔE 0.049
- Water Blue #0E87CC ΔE 0.050
- Cornflower Blue #6495ED ΔE 0.051
- Steel Blue #4682B4 ΔE 0.055
Use #5987D4 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.