#30417A
Closest named color: Twilight Blue (#0A437A). oklch(39.2% 0.099 269), rgb(48, 65, 122).
Aa
White text reads best on this color (9.70:1).
About this color
#30417A is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.099 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.033 away. White text reads best on it, at 9.70:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.16:1 |
| White text | 9.70:1 |
Values
| HEX | #30417A |
| RGB | rgb(48, 65, 122) |
| HSL | hsl(226, 44%, 33%) |
| OKLCH | oklch(39.2% 0.099 269) |
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 #30417A | 9.70:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #30417A | 2.16:1 | Fails | Lc 11.6 | Not readable |
| #30417A text on white | 9.70:1 | AAA | Lc 92.3 | Preferred for body text |
| #30417A text on black | 2.16:1 | Fails | Lc -10.1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CED9F5
oklch(88.6% 0.04 268.5)
-
Step 300
300
#ADBFF1
oklch(80.8% 0.074 269.3)
-
Step 400
400
#829DEB
oklch(70.7% 0.119 268.7)
-
Step 500
500
#6482E4
oklch(63% 0.151 268.9)
-
Step 600
600
#4D69D2
oklch(55.5% 0.164 269.2)
-
Step 700
700
#3E57B6
oklch(49% 0.153 269)
-
Step 800
800
#334893
oklch(42.7% 0.126 268.8)
-
Step 900
900 (this color)
#30417A
oklch(39.2% 0.099 269)
-
Step 950
950
#1A2445
oklch(27% 0.063 269.2)
#30417A 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) | #27487C | 0.021 |
| Deuteranopia (no green cones) | #1D4179 | 0.021 |
| Tritanopia (no blue cones) | #004E57 | 0.088 |
| Achromatopsia (no color) | #444444 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30417A
#30417A
oklch(39.2% 0.099 269)
- #574300
#574300
oklch(39.3% 0.08 89.3)
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 #30417A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.033
- Cobalt #1E488F ΔE 0.040
- Light Navy #155084 ΔE 0.046
- Dark Slate Blue #483D8B ΔE 0.048
- Dusk Blue #26538D ΔE 0.056
- Blueberry #464196 ΔE 0.058
- Deep Sea Blue #015482 ΔE 0.059
- Marine Blue #01386A ΔE 0.060
Use #30417A 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.