#302D97
Closest named color: Sapphire (#2138AB). oklch(37.7% 0.167 276.1), rgb(48, 45, 151).
Aa
White text reads best on this color (10.78:1).
About this color
#302D97 is a dark, vivid blue. In OKLCH its lightness is 38%, its chroma 0.167 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.043 away. White text reads best on it, at 10.78:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | vivid (0.167) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 1.94:1 |
| White text | 10.78:1 |
Values
| HEX | #302D97 |
| RGB | rgb(48, 45, 151) |
| HSL | hsl(242, 54%, 38%) |
| OKLCH | oklch(37.7% 0.167 276.1) |
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 #302D97 | 10.78:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #302D97 | 1.94:1 | Fails | Lc 9.6 | Not readable |
| #302D97 text on white | 10.78:1 | AAA | Lc 94.3 | Preferred for body text |
| #302D97 text on black | 1.94:1 | Fails | Lc -8.3 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E4E9FF
oklch(93.7% 0.03 275.6)
-
Step 200
200
#CED7FF
oklch(88.5% 0.056 275.2)
-
Step 300
300
#AFBCFF
oklch(80.9% 0.096 275.6)
-
Step 400
400
#8896FF
oklch(70.8% 0.153 276)
-
Step 500
500
#6D76FF
oklch(63% 0.2 276.2)
-
Step 600
600
#5751FF
oklch(55.5% 0.248 276.2)
-
Step 700
700
#4834EE
oklch(49.2% 0.259 275.9)
-
Step 800
800
#3A2EC0
oklch(42.7% 0.214 275.9)
-
Step 900
900 (this color)
#302D97
oklch(37.7% 0.167 276.1)
-
Step 950
950
#1B1C58
oklch(26.9% 0.105 275.9)
#302D97 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) | #00429A | 0.056 |
| Deuteranopia (no green cones) | #003995 | 0.044 |
| Tritanopia (no blue cones) | #004A5E | 0.136 |
| Achromatopsia (no color) | #3D3D3D | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #302D97
#302D97
oklch(37.7% 0.167 276.1)
- #4E4100
#4E4100
oklch(37.8% 0.078 96.2)
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 #302D97, closest first.
No curated palette has a color within ΔE 0.04 of #302D97.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.043
- Indigo Blue #3A18B1 ΔE 0.050
- Imperial Purple #480CA8 ΔE 0.059
- Dark Slate Blue #483D8B ΔE 0.062
- Blueberry #464196 ΔE 0.062
- Royal #0C1793 ΔE 0.067
- Cobalt #1E488F ΔE 0.068
- Ultramarine #2000B1 ΔE 0.071
Use #302D97 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.