#4D7DB7
Closest named color: Steel Blue (#4682B4). oklch(58.1% 0.104 254), rgb(77, 125, 183).
Aa
Black text reads best on this color (4.93:1).
About this color
#4D7DB7 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.104 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Blue (#4682B4), ΔE 0.017 away. Black text reads best on it, at 4.93:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 4.93:1 |
| White text | 4.25:1 |
Values
| HEX | #4D7DB7 |
| RGB | rgb(77, 125, 183) |
| HSL | hsl(213, 42%, 51%) |
| OKLCH | oklch(58.1% 0.104 254) |
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 #4D7DB7 | 4.25:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #4D7DB7 | 4.93:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #4D7DB7 text on white | 4.25:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #4D7DB7 text on black | 4.93:1 | AA | Lc -32.4 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EBF3
oklch(93.7% 0.013 251.6)
-
Step 200
200
#CEDAEA
oklch(88.4% 0.026 255.6)
-
Step 300
300
#ACC3DF
oklch(80.9% 0.047 253.5)
-
Step 400
400
#80A3CF
oklch(70.6% 0.076 254.4)
-
Step 500
500
#608CC2
oklch(63.1% 0.095 254.1)
-
Step 600
600 (this color)
#4D7DB7
oklch(58.1% 0.104 254)
-
Step 700
700
#376296
oklch(49% 0.097 254.2)
-
Step 800
800
#2E507A
oklch(42.6% 0.081 254.6)
-
Step 900
900
#294362
oklch(37.7% 0.062 253.6)
-
Step 950
950
#192739
oklch(26.9% 0.039 255.1)
#4D7DB7 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) | #6580B9 | 0.030 |
| Deuteranopia (no green cones) | #5776B6 | 0.021 |
| Tritanopia (no blue cones) | #008A92 | 0.089 |
| Achromatopsia (no color) | #7B7B7B | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D7DB7
#4D7DB7
oklch(58.1% 0.104 254)
- #9F7029
#9F7029
oklch(58% 0.104 73.8)
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 #4D7DB7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Blue #4682B4 ΔE 0.017
- Cool Blue #4984B8 ΔE 0.019
- Off Blue #5684AE ΔE 0.030
- Windows Blue #3778BF ΔE 0.030
- Dusty Blue #5A86AD ΔE 0.037
- Flat Blue #3C73A8 ΔE 0.040
- Stormy Blue #507B9C ΔE 0.041
- Cerulean #457B9D ΔE 0.042
Use #4D7DB7 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.