#4E7DB1
Closest named color: Steel Blue (#4682B4). oklch(57.9% 0.096 252), rgb(78, 125, 177).
Aa
Black text reads best on this color (4.89:1).
About this color
#4E7DB1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.096 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Blue (#4682B4), ΔE 0.015 away. Black text reads best on it, at 4.89:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 4.89:1 |
| White text | 4.29:1 |
Values
| HEX | #4E7DB1 |
| RGB | rgb(78, 125, 177) |
| HSL | hsl(212, 39%, 50%) |
| OKLCH | oklch(57.9% 0.096 252) |
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 #4E7DB1 | 4.29:1 | AA large text | Lc -75.0 | Fine for body text |
| Black text on #4E7DB1 | 4.89:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #4E7DB1 text on white | 4.29:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #4E7DB1 text on black | 4.89:1 | AA | Lc -32.1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CEDBE9
oklch(88.6% 0.024 250.1)
-
Step 300
300
#ADC3DC
oklch(80.9% 0.043 251.7)
-
Step 400
400
#81A4CB
oklch(70.7% 0.069 251.5)
-
Step 500
500
#618DBD
oklch(63.1% 0.087 251.4)
-
Step 600
600 (this color)
#4E7DB1
oklch(57.9% 0.096 252)
-
Step 700
700
#396392
oklch(49.1% 0.089 252.5)
-
Step 800
800
#2F5176
oklch(42.7% 0.074 251.8)
-
Step 900
900
#2A435F
oklch(37.6% 0.057 252.1)
-
Step 950
950
#192838
oklch(27.1% 0.036 250.8)
#4E7DB1 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) | #687FB3 | 0.032 |
| Deuteranopia (no green cones) | #5B76B0 | 0.023 |
| Tritanopia (no blue cones) | #04898F | 0.084 |
| Achromatopsia (no color) | #7A7A7A | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E7DB1
#4E7DB1
oklch(57.9% 0.096 252)
- #9D7033
#9D7033
oklch(57.9% 0.096 72)
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 #4E7DB1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Blue #4682B4 ΔE 0.015
- Cool Blue #4984B8 ΔE 0.020
- Off Blue #5684AE ΔE 0.025
- Stormy Blue #507B9C ΔE 0.032
- Dusty Blue #5A86AD ΔE 0.033
- Cerulean #457B9D ΔE 0.033
- Windows Blue #3778BF ΔE 0.036
- Dull Blue #49759C ΔE 0.037
Use #4E7DB1 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.