#4E7B9A
Closest named color: Stormy Blue (#507B9C). oklch(56.3% 0.069 239.7), rgb(78, 123, 154).
Aa
Black text reads best on this color (4.62:1).
About this color
#4E7B9A is a medium-dark, muted blue. In OKLCH its lightness is 56%, its chroma 0.069 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.004 away. Black text reads best on it, at 4.62:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.62:1 |
| White text | 4.54:1 |
Values
| HEX | #4E7B9A |
| RGB | rgb(78, 123, 154) |
| HSL | hsl(204, 33%, 45%) |
| OKLCH | oklch(56.3% 0.069 239.7) |
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 #4E7B9A | 4.54:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #4E7B9A | 4.62:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #4E7B9A text on white | 4.54:1 | AA | Lc 71.4 | Content text, not long reading |
| #4E7B9A text on black | 4.62:1 | AA | Lc -30.2 | 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
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#CFDBE4
oklch(88.5% 0.018 240)
-
Step 300
300
#AFC4D3
oklch(80.9% 0.031 238.9)
-
Step 400
400
#85A5BD
oklch(70.6% 0.05 240.8)
-
Step 500
500
#668FAC
oklch(63.1% 0.063 239.8)
-
Step 600
600 (this color)
#4E7B9A
oklch(56.3% 0.069 239.7)
-
Step 700
700
#3D6682
oklch(49.2% 0.064 239.7)
-
Step 800
800
#335369
oklch(42.7% 0.053 239.7)
-
Step 900
900
#2D4555
oklch(37.8% 0.04 238.4)
-
Step 950
950
#1A2832
oklch(26.9% 0.027 240.1)
#4E7B9A 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) | #6D7B9C | 0.039 |
| Deuteranopia (no green cones) | #637399 | 0.032 |
| Tritanopia (no blue cones) | #2A8385 | 0.056 |
| Achromatopsia (no color) | #767676 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E7B9A
#4E7B9A
oklch(56.3% 0.069 239.7)
- #946C4B
#946C4B
oklch(56.4% 0.069 60.3)
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 #4E7B9A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.004
- Cerulean #457B9D ΔE 0.010
- Dull Blue #49759C ΔE 0.020
- Metallic Blue #4F738E ΔE 0.026
- Grey Blue #647D8E ΔE 0.033
- Off Blue #5684AE ΔE 0.038
- Muted Blue #3B719F ΔE 0.040
- Steel Blue #4682B4 ΔE 0.040
Use #4E7B9A 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.