#4F778F
Closest named color: Metallic Blue (#4F738E). oklch(54.9% 0.058 235.6), rgb(79, 119, 143).
Aa
White text reads best on this color (4.80:1).
About this color
#4F778F is a medium-dark, muted blue. In OKLCH its lightness is 55%, its chroma 0.058 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.012 away. White text reads best on it, at 4.80:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.36:1 |
| White text | 4.80:1 |
Values
| HEX | #4F778F |
| RGB | rgb(79, 119, 143) |
| HSL | hsl(203, 29%, 44%) |
| OKLCH | oklch(54.9% 0.058 235.6) |
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 #4F778F | 4.80:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #4F778F | 4.36:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #4F778F text on white | 4.80:1 | AA | Lc 73.3 | Content text, not long reading |
| #4F778F text on black | 4.36:1 | AA large text | Lc -28.4 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D0DBE2
oklch(88.5% 0.015 235.4)
-
Step 300
300
#B1C4D0
oklch(81% 0.027 235.4)
-
Step 400
400
#88A5B8
oklch(70.7% 0.043 236.9)
-
Step 500
500
#6A8FA6
oklch(63.1% 0.054 236)
-
Step 600
600 (this color)
#4F778F
oklch(54.9% 0.058 235.6)
-
Step 700
700
#41667C
oklch(49.2% 0.055 235.6)
-
Step 800
800
#365364
oklch(42.7% 0.045 235)
-
Step 900
900
#2F4552
oklch(37.8% 0.035 234.9)
-
Step 950
950
#1C2830
oklch(26.9% 0.022 237.9)
#4F778F 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) | #6C7690 | 0.037 |
| Deuteranopia (no green cones) | #636F8F | 0.032 |
| Tritanopia (no blue cones) | #347D7F | 0.044 |
| Achromatopsia (no color) | #727272 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F778F
#4F778F
oklch(54.9% 0.058 235.6)
- #8C6950
#8C6950
oklch(55% 0.058 56.7)
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 #4F778F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.012
- Stormy Blue #507B9C ΔE 0.021
- Cerulean #457B9D ΔE 0.023
- Dull Blue #49759C ΔE 0.024
- Grey Blue #647D8E ΔE 0.033
- Muted Blue #3B719F ΔE 0.041
- Battleship Gray #6C757D ΔE 0.043
- Battleship Grey #6B7C85 ΔE 0.043
Use #4F778F 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.