#225379
Closest named color: Deep Sea Blue (#015482). oklch(42.7% 0.082 245), rgb(34, 83, 121).
Aa
White text reads best on this color (8.13:1).
About this color
#225379 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.082 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.020 away. White text reads best on it, at 8.13:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.58:1 |
| White text | 8.13:1 |
Values
| HEX | #225379 |
| RGB | rgb(34, 83, 121) |
| HSL | hsl(206, 56%, 30%) |
| OKLCH | oklch(42.7% 0.082 245) |
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 #225379 | 8.13:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #225379 | 2.58:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #225379 text on white | 8.13:1 | AAA | Lc 87.9 | Fine for body text |
| #225379 text on black | 2.58:1 | Fails | Lc -14.2 | 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 800.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CBDBEA
oklch(88.4% 0.027 246.4)
-
Step 300
300
#A7C5DE
oklch(81% 0.048 243.5)
-
Step 400
400
#78A6CE
oklch(70.7% 0.077 245.4)
-
Step 500
500
#538FC1
oklch(63% 0.098 245.4)
-
Step 600
600
#3579AD
oklch(55.6% 0.106 244.6)
-
Step 700
700
#276595
oklch(49% 0.1 245.4)
-
Step 800
800 (this color)
#225379
oklch(42.7% 0.082 245)
-
Step 900
900
#214561
oklch(37.7% 0.064 244.1)
-
Step 950
950
#142839
oklch(26.9% 0.041 245.8)
#225379 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) | #42547B | 0.036 |
| Deuteranopia (no green cones) | #364C78 | 0.027 |
| Tritanopia (no blue cones) | #005C60 | 0.060 |
| Achromatopsia (no color) | #4F4F4F | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #225379
#225379
oklch(42.7% 0.082 245)
- #6E4416
#6E4416
oklch(42.7% 0.083 64.2)
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 #225379, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.020
- Light Navy #155084 ΔE 0.024
- Light Navy Blue #2E5A88 ΔE 0.033
- Dusk Blue #26538D ΔE 0.034
- YInMn Blue #415A77 ΔE 0.043
- Petrol #005F6A ΔE 0.053
- Cobalt #1E488F ΔE 0.054
- Denim Blue #3B5B92 ΔE 0.054
Use #225379 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.