#5987CB
Closest named color: Faded Blue (#658CBB). oklch(62% 0.115 258), rgb(89, 135, 203).
Aa
Black text reads best on this color (5.75:1).
About this color
#5987CB is a medium-light, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.115 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.034 away. Black text reads best on it, at 5.75:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.75:1 |
| White text | 3.65:1 |
Values
| HEX | #5987CB |
| RGB | rgb(89, 135, 203) |
| HSL | hsl(216, 52%, 57%) |
| OKLCH | oklch(62% 0.115 258) |
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 #5987CB | 3.65:1 | AA large text | Lc -69.4 | Content text, not long reading |
| Black text on #5987CB | 5.75:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #5987CB text on white | 3.65:1 | AA large text | Lc 63.9 | Content text, not long reading |
| #5987CB text on black | 5.75:1 | AA | Lc -37.7 | 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
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CDDAEE
oklch(88.5% 0.031 258.9)
-
Step 300
300
#AAC2E6
oklch(80.8% 0.057 258.4)
-
Step 400
400
#7DA2D9
oklch(70.6% 0.091 258.1)
-
Step 500
500 (this color)
#5987CB
oklch(62% 0.115 258)
-
Step 600
600
#4273BB
oklch(55.6% 0.125 258)
-
Step 700
700
#3460A2
oklch(49.1% 0.117 258.4)
-
Step 800
800
#2B4F83
oklch(42.8% 0.096 257.7)
-
Step 900
900
#274269
oklch(37.7% 0.075 257.6)
-
Step 950
950
#17273D
oklch(27% 0.047 256.6)
#5987CB 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) | #6B8CCE | 0.026 |
| Deuteranopia (no green cones) | #5D81CA | 0.016 |
| Tritanopia (no blue cones) | #0096A0 | 0.102 |
| Achromatopsia (no color) | #868686 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5987CB
#5987CB
oklch(62% 0.115 258)
- #AC7C26
#AC7C26
oklch(62% 0.115 77.6)
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 #5987CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.034
- Cool Blue #4984B8 ΔE 0.035
- Dark Sky Blue #448EE4 ΔE 0.040
- Steel Blue #4682B4 ΔE 0.043
- Off Blue #5684AE ΔE 0.044
- Dusty Blue #5A86AD ΔE 0.046
- Water Blue #0E87CC ΔE 0.048
- Soft Blue #6488EA ΔE 0.049
Use #5987CB 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.