#4E758E
Closest named color: Metallic Blue (#4F738E). oklch(54.3% 0.059 237.4), rgb(78, 117, 142).
Aa
White text reads best on this color (4.93:1).
About this color
#4E758E is a medium-dark, muted blue. In OKLCH its lightness is 54%, its chroma 0.059 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.006 away. White text reads best on it, at 4.93:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.25:1 |
| White text | 4.93:1 |
Values
| HEX | #4E758E |
| RGB | rgb(78, 117, 142) |
| HSL | hsl(203, 29%, 43%) |
| OKLCH | oklch(54.3% 0.059 237.4) |
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 #4E758E | 4.93:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #4E758E | 4.25:1 | AA large text | Lc 30.0 | Non-text elements, placeholder text |
| #4E758E text on white | 4.93:1 | AA | Lc 74.1 | Content text, not long reading |
| #4E758E text on black | 4.25:1 | AA large text | Lc -27.6 | 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
#D1DBE2
oklch(88.6% 0.015 238)
-
Step 300
300
#B1C4D0
oklch(81% 0.027 235.4)
-
Step 400
400
#88A5B8
oklch(70.7% 0.043 236.9)
-
Step 500
500
#6A8FA7
oklch(63.1% 0.055 237.2)
-
Step 600
600 (this color)
#4E758E
oklch(54.3% 0.059 237.4)
-
Step 700
700
#42667C
oklch(49.2% 0.054 236.2)
-
Step 800
800
#375365
oklch(42.8% 0.045 237.4)
-
Step 900
900
#304552
oklch(37.8% 0.034 236.1)
-
Step 950
950
#1C2830
oklch(26.9% 0.022 237.9)
#4E758E 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) | #6A748F | 0.036 |
| Deuteranopia (no green cones) | #616D8E | 0.032 |
| Tritanopia (no blue cones) | #337B7D | 0.046 |
| Achromatopsia (no color) | #707070 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E758E
#4E758E
oklch(54.3% 0.059 237.4)
- #8A674D
#8A674D
oklch(54.3% 0.059 57.7)
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 #4E758E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.006
- Dull Blue #49759C ΔE 0.023
- Stormy Blue #507B9C ΔE 0.025
- Cerulean #457B9D ΔE 0.025
- Muted Blue #3B719F ΔE 0.038
- Grey Blue #647D8E ΔE 0.038
- Battleship Gray #6C757D ΔE 0.045
- Ocean #017B92 ΔE 0.046
Use #4E758E 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.