#30549C
Closest named color: Dusk Blue (#26538D). oklch(45.8% 0.124 262.6), rgb(48, 84, 156).
Aa
White text reads best on this color (7.30:1).
About this color
#30549C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.124 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.027 away. White text reads best on it, at 7.30:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #30549C |
| RGB | rgb(48, 84, 156) |
| HSL | hsl(220, 53%, 40%) |
| OKLCH | oklch(45.8% 0.124 262.6) |
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 #30549C | 7.30:1 | AAA | Lc -90.0 | Fine for body text |
| Black text on #30549C | 2.87:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #30549C text on white | 7.30:1 | AAA | Lc 85.1 | Fine for body text |
| #30549C text on black | 2.87:1 | Fails | Lc -16.9 | Dividers and decoration only |
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 800.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CBDAF5
oklch(88.6% 0.041 262.3)
-
Step 300
300
#A8C1F0
oklch(80.9% 0.072 262.9)
-
Step 400
400
#79A0E9
oklch(70.7% 0.116 262.3)
-
Step 500
500
#5786E3
oklch(63.1% 0.15 262.7)
-
Step 600
600
#3D6ED0
oklch(55.6% 0.161 262.4)
-
Step 700
700
#2F5BB5
oklch(49.1% 0.151 262.6)
-
Step 800
800 (this color)
#30549C
oklch(45.8% 0.124 262.6)
-
Step 900
900
#243F74
oklch(37.6% 0.097 262.4)
-
Step 950
950
#162544
oklch(26.9% 0.061 263.4)
#30549C 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) | #305C9F | 0.022 |
| Deuteranopia (no green cones) | #1C529B | 0.019 |
| Tritanopia (no blue cones) | #006570 | 0.102 |
| Achromatopsia (no color) | #565656 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30549C
#30549C
oklch(45.8% 0.124 262.6)
- #715100
#715100
oklch(45.7% 0.094 82.2)
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 #30549C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.027
- Denim Blue #3B5B92 ΔE 0.031
- Light Navy Blue #2E5A88 ΔE 0.040
- Cobalt #1E488F ΔE 0.044
- Twilight #4E518B ΔE 0.045
- Dusky Blue #475F94 ΔE 0.047
- Light Navy #155084 ΔE 0.048
- Blueberry #464196 ΔE 0.053
Use #30549C 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.