#4E759C
Closest named color: Dull Blue (#49759C). oklch(55% 0.075 249.3), rgb(78, 117, 156).
Aa
White text reads best on this color (4.82:1).
About this color
#4E759C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.075 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.005 away. White text reads best on it, at 4.82:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.34:1 |
| White text | 4.82:1 |
Values
| HEX | #4E759C |
| RGB | rgb(78, 117, 156) |
| HSL | hsl(210, 33%, 46%) |
| OKLCH | oklch(55% 0.075 249.3) |
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 #4E759C | 4.82:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #4E759C | 4.34:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #4E759C text on white | 4.82:1 | AA | Lc 73.4 | Content text, not long reading |
| #4E759C text on black | 4.34:1 | AA large text | Lc -28.3 | 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
#E5EAF0
oklch(93.5% 0.01 252.8)
-
Step 200
200
#D0DAE5
oklch(88.4% 0.019 250.6)
-
Step 300
300
#B0C3D6
oklch(80.9% 0.034 248.2)
-
Step 400
400
#87A4C2
oklch(70.7% 0.055 249.5)
-
Step 500
500
#698DB2
oklch(63.1% 0.069 249.7)
-
Step 600
600 (this color)
#4E759C
oklch(55% 0.075 249.3)
-
Step 700
700
#406487
oklch(49.1% 0.07 248.8)
-
Step 800
800
#35516E
oklch(42.6% 0.059 250.2)
-
Step 900
900
#2F4459
oklch(37.8% 0.045 249.1)
-
Step 950
950
#1B2834
oklch(27.1% 0.029 246.9)
#4E759C 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) | #65769E | 0.029 |
| Deuteranopia (no green cones) | #5B6E9B | 0.024 |
| Tritanopia (no blue cones) | #297E82 | 0.065 |
| Achromatopsia (no color) | #727272 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E759C
#4E759C
oklch(55% 0.075 249.3)
- #8E693F
#8E693F
oklch(54.9% 0.075 68.7)
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 #4E759C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.005
- Stormy Blue #507B9C ΔE 0.018
- Cerulean #457B9D ΔE 0.018
- Metallic Blue #4F738E ΔE 0.022
- Muted Blue #3B719F ΔE 0.025
- Flat Blue #3C73A8 ΔE 0.028
- Steel Blue #4682B4 ΔE 0.045
- Grey Blue #647D8E ΔE 0.046
Use #4E759C 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.