#4C87AF
Closest named color: Off Blue (#5684AE). oklch(60% 0.087 240), rgb(76, 135, 175).
Aa
Black text reads best on this color (5.39:1).
About this color
#4C87AF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.087 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.012 away. Black text reads best on it, at 5.39:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 5.39:1 |
| White text | 3.89:1 |
Values
| HEX | #4C87AF |
| RGB | rgb(76, 135, 175) |
| HSL | hsl(204, 39%, 49%) |
| OKLCH | oklch(60% 0.087 240) |
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 #4C87AF | 3.89:1 | AA large text | Lc -71.7 | Content text, not long reading |
| Black text on #4C87AF | 5.39:1 | AA | Lc 37.8 | Non-text elements, placeholder text |
| #4C87AF text on white | 3.89:1 | AA large text | Lc 66.2 | Content text, not long reading |
| #4C87AF text on black | 5.39:1 | AA | Lc -35.4 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CCDCE7
oklch(88.6% 0.023 237.7)
-
Step 300
300
#A9C5DA
oklch(80.9% 0.042 240.5)
-
Step 400
400
#79A7C7
oklch(70.7% 0.068 239.3)
-
Step 500
500 (this color)
#4C87AF
oklch(60% 0.087 240)
-
Step 600
600
#387AA5
oklch(55.6% 0.095 240.1)
-
Step 700
700
#2A678D
oklch(49.2% 0.087 239.4)
-
Step 800
800
#245473
oklch(42.7% 0.073 239.9)
-
Step 900
900
#23455D
oklch(37.6% 0.057 241.3)
-
Step 950
950
#152936
oklch(27% 0.036 238.5)
#4C87AF 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) | #7587B1 | 0.047 |
| Deuteranopia (no green cones) | #687DAE | 0.039 |
| Tritanopia (no blue cones) | #009194 | 0.070 |
| Achromatopsia (no color) | #818181 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C87AF
#4C87AF
oklch(60% 0.087 240)
- #A67349
#A67349
oklch(59.9% 0.086 59.6)
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 #4C87AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.012
- Dusty Blue #5A86AD ΔE 0.014
- Cool Blue #4984B8 ΔE 0.019
- Steel Blue #4682B4 ΔE 0.020
- Blue NCS #118AB2 ΔE 0.033
- Faded Blue #658CBB ΔE 0.037
- Stormy Blue #507B9C ΔE 0.039
- Cerulean #457B9D ΔE 0.041
Use #4C87AF 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.