#4E7F9B
Closest named color: Stormy Blue (#507B9C). oklch(57.3% 0.068 234.8), rgb(78, 127, 155).
Aa
Black text reads best on this color (4.83:1).
About this color
#4E7F9B is a medium-dark, muted blue. In OKLCH its lightness is 57%, its chroma 0.068 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.012 away. Black text reads best on it, at 4.83:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.83:1 |
| White text | 4.34:1 |
Values
| HEX | #4E7F9B |
| RGB | rgb(78, 127, 155) |
| HSL | hsl(202, 33%, 46%) |
| OKLCH | oklch(57.3% 0.068 234.8) |
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 #4E7F9B | 4.34:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #4E7F9B | 4.83:1 | AA | Lc 34.1 | Non-text elements, placeholder text |
| #4E7F9B text on white | 4.34:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #4E7F9B text on black | 4.83:1 | AA | Lc -31.7 | Non-text elements, placeholder text |
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
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CFDBE3
oklch(88.5% 0.017 236.7)
-
Step 300
300
#AEC4D2
oklch(80.8% 0.031 235.7)
-
Step 400
400
#83A6BB
oklch(70.6% 0.049 234.7)
-
Step 500
500
#6390AA
oklch(63.1% 0.063 234.5)
-
Step 600
600 (this color)
#4E7F9B
oklch(57.3% 0.068 234.8)
-
Step 700
700
#3A6780
oklch(49.2% 0.064 234.4)
-
Step 800
800
#305468
oklch(42.7% 0.053 234.2)
-
Step 900
900
#2B4554
oklch(37.6% 0.041 234.7)
-
Step 950
950
#1A2931
oklch(27.1% 0.025 232.2)
#4E7F9B 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) | #727E9C | 0.044 |
| Deuteranopia (no green cones) | #67769B | 0.037 |
| Tritanopia (no blue cones) | #288688 | 0.052 |
| Achromatopsia (no color) | #797979 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E7F9B
#4E7F9B
oklch(57.3% 0.068 234.8)
- #986D51
#986D51
oklch(57.2% 0.068 54)
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 #4E7F9B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.012
- Cerulean #457B9D ΔE 0.017
- Grey Blue #647D8E ΔE 0.030
- Dull Blue #49759C ΔE 0.032
- Off Blue #5684AE ΔE 0.032
- Dusty Blue #5A86AD ΔE 0.035
- Metallic Blue #4F738E ΔE 0.036
- Steel Blue #4682B4 ΔE 0.038
Use #4E7F9B 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.