#4C7DAA
Closest named color: Steel Blue (#4682B4). oklch(57.4% 0.088 247.6), rgb(76, 125, 170).
Aa
Black text reads best on this color (4.82:1).
About this color
#4C7DAA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.088 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Blue (#4682B4), ΔE 0.018 away. Black text reads best on it, at 4.82:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 4.82:1 |
| White text | 4.35:1 |
Values
| HEX | #4C7DAA |
| RGB | rgb(76, 125, 170) |
| HSL | hsl(209, 38%, 48%) |
| OKLCH | oklch(57.4% 0.088 247.6) |
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 #4C7DAA | 4.35:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #4C7DAA | 4.82:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #4C7DAA text on white | 4.35:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #4C7DAA text on black | 4.82:1 | AA | Lc -31.6 | 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
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CEDBE7
oklch(88.5% 0.022 245.9)
-
Step 300
300
#ADC4D9
oklch(81% 0.039 245.9)
-
Step 400
400
#81A5C7
oklch(70.8% 0.064 247.3)
-
Step 500
500
#618EB8
oklch(63.1% 0.08 247.5)
-
Step 600
600 (this color)
#4C7DAA
oklch(57.4% 0.088 247.6)
-
Step 700
700
#38648D
oklch(49% 0.082 248.3)
-
Step 800
800
#2F5272
oklch(42.7% 0.067 247.6)
-
Step 900
900
#2A445C
oklch(37.7% 0.052 247.5)
-
Step 950
950
#192836
oklch(27% 0.033 247.4)
#4C7DAA 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) | #6A7EAC | 0.036 |
| Deuteranopia (no green cones) | #5E75A9 | 0.028 |
| Tritanopia (no blue cones) | #0A888C | 0.076 |
| Achromatopsia (no color) | #797979 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C7DAA
#4C7DAA
oklch(57.4% 0.088 247.6)
- #9B6E3C
#9B6E3C
oklch(57.4% 0.088 67.4)
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 #4C7DAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Blue #4682B4 ΔE 0.018
- Stormy Blue #507B9C ΔE 0.021
- Cerulean #457B9D ΔE 0.022
- Off Blue #5684AE ΔE 0.024
- Cool Blue #4984B8 ΔE 0.026
- Dull Blue #49759C ΔE 0.029
- Dusty Blue #5A86AD ΔE 0.032
- Flat Blue #3C73A8 ΔE 0.035
Use #4C7DAA 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.