#4D9DCB
Closest named color: Faded Blue (#658CBB). oklch(66.5% 0.104 236.5), rgb(77, 157, 203).
Aa
Black text reads best on this color (7.00:1).
About this color
#4D9DCB is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.104 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.049 away. Black text reads best on it, at 7.00:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 7.00:1 |
| White text | 2.99:1 |
Values
| HEX | #4D9DCB |
| RGB | rgb(77, 157, 203) |
| HSL | hsl(202, 55%, 55%) |
| OKLCH | oklch(66.5% 0.104 236.5) |
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 #4D9DCB | 2.99:1 | Fails | Lc -61.8 | Content text, not long reading |
| Black text on #4D9DCB | 7.00:1 | AAA | Lc 47.6 | Large or bold text, headings |
| #4D9DCB text on white | 2.99:1 | Fails | Lc 56.5 | Large or bold text, headings |
| #4D9DCB text on black | 7.00:1 | AAA | Lc -45.3 | Large or bold text, headings |
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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DCEA
oklch(88.4% 0.029 238.3)
-
Step 300
300
#A2C6DE
oklch(80.8% 0.051 237.5)
-
Step 400
400
#6EA9CD
oklch(70.8% 0.081 236.3)
-
Step 500
500 (this color)
#4D9DCB
oklch(66.5% 0.104 236.5)
-
Step 600
600
#187CAC
oklch(55.6% 0.113 236.2)
-
Step 700
700
#046894
oklch(49% 0.105 236.7)
-
Step 800
800
#0D5578
oklch(42.6% 0.087 236.6)
-
Step 900
900
#164761
oklch(37.8% 0.068 236)
-
Step 950
950
#0F2939
oklch(26.9% 0.044 238.4)
#4D9DCB 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) | #879CCD | 0.062 |
| Deuteranopia (no green cones) | #768FCA | 0.053 |
| Tritanopia (no blue cones) | #00A9AC | 0.074 |
| Achromatopsia (no color) | #959595 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D9DCB
#4D9DCB
oklch(66.5% 0.104 236.5)
- #C48251
#C48251
oklch(66.4% 0.104 56.4)
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 #4D9DCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.049
- Greyblue #77A1B5 ΔE 0.055
- Chefchaouen Blue #4895EF ΔE 0.064
- Dark Sky Blue #448EE4 ΔE 0.064
- Turquoise Blue #06B1C4 ΔE 0.064
- Cornflower Blue #6495ED ΔE 0.065
- Silver Lake Blue #778DA9 ΔE 0.066
- Cadet Blue #5F9EA0 ΔE 0.067
Use #4D9DCB 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.