#4F77A4
Closest named color: Dull Blue (#49759C). oklch(55.9% 0.084 252.2), rgb(79, 119, 164).
Aa
White text reads best on this color (4.65:1).
About this color
#4F77A4 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.084 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.015 away. White text reads best on it, at 4.65:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.50:1 |
| White text | 4.65:1 |
Values
| HEX | #4F77A4 |
| RGB | rgb(79, 119, 164) |
| HSL | hsl(212, 35%, 48%) |
| OKLCH | oklch(55.9% 0.084 252.2) |
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 #4F77A4 | 4.65:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #4F77A4 | 4.50:1 | AA | Lc 31.8 | Non-text elements, placeholder text |
| #4F77A4 text on white | 4.65:1 | AA | Lc 72.3 | Content text, not long reading |
| #4F77A4 text on black | 4.50:1 | AA | Lc -29.4 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE7
oklch(88.5% 0.021 254.9)
-
Step 300
300
#B0C3D9
oklch(81% 0.037 252.1)
-
Step 400
400
#86A4C6
oklch(70.8% 0.06 251.8)
-
Step 500
500
#678DB7
oklch(63.2% 0.077 251.5)
-
Step 600
600 (this color)
#4F77A4
oklch(55.9% 0.084 252.2)
-
Step 700
700
#3F638C
oklch(49.1% 0.078 252.6)
-
Step 800
800
#345171
oklch(42.7% 0.064 251.8)
-
Step 900
900
#2E435C
oklch(37.7% 0.051 253.3)
-
Step 950
950
#1B2736
oklch(26.9% 0.033 254.4)
#4F77A4 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) | #6579A6 | 0.028 |
| Deuteranopia (no green cones) | #5A70A3 | 0.022 |
| Tritanopia (no blue cones) | #248187 | 0.072 |
| Achromatopsia (no color) | #747474 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F77A4
#4F77A4
oklch(55.9% 0.084 252.2)
- #926C39
#926C39
oklch(55.9% 0.083 72.7)
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 #4F77A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.015
- Stormy Blue #507B9C ΔE 0.020
- Cerulean #457B9D ΔE 0.021
- Flat Blue #3C73A8 ΔE 0.025
- Muted Blue #3B719F ΔE 0.030
- Metallic Blue #4F738E ΔE 0.034
- Steel Blue #4682B4 ΔE 0.035
- Off Blue #5684AE ΔE 0.039
Use #4F77A4 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.