#30476D
Closest named color: Dark Grey Blue (#29465B). oklch(39.8% 0.071 260), rgb(48, 71, 109).
Aa
White text reads best on this color (9.34:1).
About this color
#30476D is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.071 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.033 away. White text reads best on it, at 9.34:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.24:1 |
| White text | 9.34:1 |
Values
| HEX | #30476D |
| RGB | rgb(48, 71, 109) |
| HSL | hsl(217, 39%, 31%) |
| OKLCH | oklch(39.8% 0.071 260) |
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 #30476D | 9.34:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #30476D | 2.24:1 | Fails | Lc 12.5 | Not readable |
| #30476D text on white | 9.34:1 | AAA | Lc 91.5 | Preferred for body text |
| #30476D text on black | 2.24:1 | Fails | Lc -10.9 | Not readable |
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 900.
-
Step 50
50
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CEDAED
oklch(88.5% 0.029 259.6)
-
Step 300
300
#ADC2E4
oklch(81% 0.053 260)
-
Step 400
400
#82A2D6
oklch(70.8% 0.085 259.9)
-
Step 500
500
#628ACB
oklch(63.2% 0.108 259.8)
-
Step 600
600
#4972B8
oklch(55.5% 0.119 260.5)
-
Step 700
700
#3A609E
oklch(49.2% 0.109 259.7)
-
Step 800
800
#304E80
oklch(42.6% 0.091 260.1)
-
Step 900
900 (this color)
#30476D
oklch(39.8% 0.071 260)
-
Step 950
950
#19263C
oklch(26.8% 0.045 260.5)
#30476D 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) | #384A6F | 0.015 |
| Deuteranopia (no green cones) | #31446C | 0.009 |
| Tritanopia (no blue cones) | #0F4F55 | 0.062 |
| Achromatopsia (no color) | #474747 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30476D
#30476D
oklch(39.8% 0.071 260)
- #5B4213
#5B4213
oklch(39.7% 0.071 79.5)
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 #30476D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.033
- Twilight Blue #0A437A ΔE 0.043
- Light Navy #155084 ΔE 0.045
- Charcoal #264653 ΔE 0.048
- Deep Sea Blue #015482 ΔE 0.051
- Dusk Blue #26538D ΔE 0.058
- Cobalt #1E488F ΔE 0.058
- Dark Slate Gray #2F4F4F ΔE 0.064
Use #30476D 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.