#4A7D9B
Closest named color: Stormy Blue (#507B9C). oklch(56.6% 0.072 235.8), rgb(74, 125, 155).
Aa
Black text reads best on this color (4.69:1).
About this color
#4A7D9B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.072 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.009 away. Black text reads best on it, at 4.69:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.69:1 |
| White text | 4.47:1 |
Values
| HEX | #4A7D9B |
| RGB | rgb(74, 125, 155) |
| HSL | hsl(202, 35%, 45%) |
| OKLCH | oklch(56.6% 0.072 235.8) |
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 #4A7D9B | 4.47:1 | AA large text | Lc -76.4 | Fine for body text |
| Black text on #4A7D9B | 4.69:1 | AA | Lc 33.2 | Non-text elements, placeholder text |
| #4A7D9B text on white | 4.47:1 | AA large text | Lc 70.9 | Content text, not long reading |
| #4A7D9B text on black | 4.69:1 | AA | Lc -30.8 | 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
#CEDBE4
oklch(88.4% 0.019 237.8)
-
Step 300
300
#AEC4D3
oklch(80.8% 0.032 237.7)
-
Step 400
400
#82A6BD
oklch(70.7% 0.052 236.5)
-
Step 500
500
#6190AC
oklch(63% 0.066 235.4)
-
Step 600
600 (this color)
#4A7D9B
oklch(56.6% 0.072 235.8)
-
Step 700
700
#386782
oklch(49.2% 0.067 235.6)
-
Step 800
800
#2F5469
oklch(42.7% 0.055 234.9)
-
Step 900
900
#2A4556
oklch(37.6% 0.044 237.2)
-
Step 950
950
#192932
oklch(27.1% 0.027 233.8)
#4A7D9B 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) | #6F7C9C | 0.045 |
| Deuteranopia (no green cones) | #64739B | 0.040 |
| Tritanopia (no blue cones) | #1C8587 | 0.056 |
| Achromatopsia (no color) | #777777 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A7D9B
#4A7D9B
oklch(56.6% 0.072 235.8)
- #976B4C
#976B4C
oklch(56.6% 0.072 55.9)
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 #4A7D9B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.009
- Cerulean #457B9D ΔE 0.009
- Dull Blue #49759C ΔE 0.025
- Metallic Blue #4F738E ΔE 0.031
- Grey Blue #647D8E ΔE 0.034
- Off Blue #5684AE ΔE 0.036
- Steel Blue #4682B4 ΔE 0.038
- Dusty Blue #5A86AD ΔE 0.040
Use #4A7D9B 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.