#4C8FB1
Closest named color: Dusty Blue (#5A86AD). oklch(62% 0.085 232.5), rgb(76, 143, 177).
Aa
Black text reads best on this color (5.87:1).
About this color
#4C8FB1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.085 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.026 away. Black text reads best on it, at 5.87:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.87:1 |
| White text | 3.57:1 |
Values
| HEX | #4C8FB1 |
| RGB | rgb(76, 143, 177) |
| HSL | hsl(200, 40%, 50%) |
| OKLCH | oklch(62% 0.085 232.5) |
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 #4C8FB1 | 3.57:1 | AA large text | Lc -68.7 | Content text, not long reading |
| Black text on #4C8FB1 | 5.87:1 | AA | Lc 40.9 | Non-text elements, placeholder text |
| #4C8FB1 text on white | 3.57:1 | AA large text | Lc 63.2 | Content text, not long reading |
| #4C8FB1 text on black | 5.87:1 | AA | Lc -38.5 | 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
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CBDCE6
oklch(88.5% 0.023 233.4)
-
Step 300
300
#A7C6D7
oklch(80.9% 0.041 231.9)
-
Step 400
400
#76A8C4
oklch(70.6% 0.067 233.5)
-
Step 500
500 (this color)
#4C8FB1
oklch(62% 0.085 232.5)
-
Step 600
600
#307CA0
oklch(55.5% 0.092 232.5)
-
Step 700
700
#216989
oklch(49.2% 0.086 231.8)
-
Step 800
800
#1E5570
oklch(42.6% 0.072 233.6)
-
Step 900
900
#1F475A
oklch(37.8% 0.055 231.4)
-
Step 950
950
#132935
oklch(26.9% 0.036 234.1)
#4C8FB1 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) | #7E8DB3 | 0.057 |
| Deuteranopia (no green cones) | #7083B1 | 0.049 |
| Tritanopia (no blue cones) | #00989A | 0.062 |
| Achromatopsia (no color) | #878787 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C8FB1
#4C8FB1
oklch(62% 0.085 232.5)
- #AF7755
#AF7755
oklch(61.9% 0.085 51.8)
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 #4C8FB1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.026
- Off Blue #5684AE ΔE 0.031
- Faded Blue #658CBB ΔE 0.033
- Cool Blue #4984B8 ΔE 0.037
- Blue NCS #118AB2 ΔE 0.039
- Steel Blue #4682B4 ΔE 0.041
- Blue Grey #758DA3 ΔE 0.046
- Silver Lake Blue #778DA9 ΔE 0.047
Use #4C8FB1 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.