#214579
Closest named color: Twilight Blue (#0A437A). oklch(39.2% 0.098 257.8), rgb(33, 69, 121).
Aa
White text reads best on this color (9.58:1).
About this color
#214579 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.098 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.018 away. White text reads best on it, at 9.58:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.19:1 |
| White text | 9.58:1 |
Values
| HEX | #214579 |
| RGB | rgb(33, 69, 121) |
| HSL | hsl(215, 57%, 30%) |
| OKLCH | oklch(39.2% 0.098 257.8) |
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 #214579 | 9.58:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #214579 | 2.19:1 | Fails | Lc 12.0 | Not readable |
| #214579 text on white | 9.58:1 | AAA | Lc 91.9 | Preferred for body text |
| #214579 text on black | 2.19:1 | Fails | Lc -10.5 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C9DBF5
oklch(88.6% 0.041 257.5)
-
Step 300
300
#A3C3F0
oklch(80.9% 0.073 256.9)
-
Step 400
400
#71A2E9
oklch(70.7% 0.117 257.6)
-
Step 500
500
#4B89E2
oklch(63.1% 0.149 257.6)
-
Step 600
600
#2D71D0
oklch(55.7% 0.162 257.7)
-
Step 700
700
#1F5EB4
oklch(49.1% 0.151 257.6)
-
Step 800
800
#1C4D92
oklch(42.7% 0.125 257.8)
-
Step 900
900 (this color)
#214579
oklch(39.2% 0.098 257.8)
-
Step 950
950
#122644
oklch(26.9% 0.062 258.3)
#214579 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) | #2D497B | 0.019 |
| Deuteranopia (no green cones) | #1E4178 | 0.013 |
| Tritanopia (no blue cones) | #005159 | 0.077 |
| Achromatopsia (no color) | #454545 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #214579
#214579
oklch(39.2% 0.098 257.8)
- #5D3F00
#5D3F00
oklch(39.2% 0.082 78.3)
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 #214579, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.018
- Light Navy #155084 ΔE 0.034
- Cobalt #1E488F ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.045
- Dusk Blue #26538D ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.053
- Marine Blue #01386A ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.064
Use #214579 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.