#4C779B
Closest named color: Dull Blue (#49759C). oklch(55.3% 0.074 245), rgb(76, 119, 155).
Aa
White text reads best on this color (4.75:1).
About this color
#4C779B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.074 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.008 away. White text reads best on it, at 4.75:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.41:1 |
| White text | 4.75:1 |
Values
| HEX | #4C779B |
| RGB | rgb(76, 119, 155) |
| HSL | hsl(207, 34%, 45%) |
| OKLCH | oklch(55.3% 0.074 245) |
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 #4C779B | 4.75:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #4C779B | 4.41:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #4C779B text on white | 4.75:1 | AA | Lc 72.9 | Content text, not long reading |
| #4C779B text on black | 4.41:1 | AA large text | Lc -28.8 | Dividers and decoration only |
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 600.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#CFDBE5
oklch(88.5% 0.019 243)
-
Step 300
300
#AFC3D5
oklch(80.8% 0.034 245.4)
-
Step 400
400
#85A5C0
oklch(70.7% 0.053 244.1)
-
Step 500
500
#668EB0
oklch(63% 0.068 244.8)
-
Step 600
600 (this color)
#4C779B
oklch(55.3% 0.074 245)
-
Step 700
700
#3E6585
oklch(49.2% 0.068 244.6)
-
Step 800
800
#33526C
oklch(42.6% 0.057 245)
-
Step 900
900
#2D4458
oklch(37.7% 0.045 245.6)
-
Step 950
950
#1B2833
oklch(27% 0.027 244.6)
#4C779B 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) | #68779D | 0.035 |
| Deuteranopia (no green cones) | #5D6F9A | 0.029 |
| Tritanopia (no blue cones) | #248083 | 0.063 |
| Achromatopsia (no color) | #737373 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C779B
#4C779B
oklch(55.3% 0.074 245)
- #916943
#916943
oklch(55.3% 0.074 63.8)
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 #4C779B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.008
- Cerulean #457B9D ΔE 0.012
- Stormy Blue #507B9C ΔE 0.013
- Metallic Blue #4F738E ΔE 0.021
- Muted Blue #3B719F ΔE 0.028
- Flat Blue #3C73A8 ΔE 0.031
- Grey Blue #647D8E ΔE 0.042
- Steel Blue #4682B4 ΔE 0.043
Use #4C779B 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.