#225369
Closest named color: Deep Teal (#00555A). oklch(41.9% 0.064 230.4), rgb(34, 83, 105).
Aa
White text reads best on this color (8.36:1).
About this color
#225369 is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.064 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.035 away. White text reads best on it, at 8.36:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.50:1 |
| White text | 8.36:1 |
Values
| HEX | #225369 |
| RGB | rgb(34, 83, 105) |
| HSL | hsl(199, 51%, 27%) |
| OKLCH | oklch(41.9% 0.064 230.4) |
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 #225369 | 8.36:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #225369 | 2.50:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #225369 text on white | 8.36:1 | AAA | Lc 88.7 | Fine for body text |
| #225369 text on black | 2.50:1 | Fails | Lc -13.5 | 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 800.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE4
oklch(88.5% 0.02 229.1)
-
Step 300
300
#A9C6D4
oklch(81% 0.037 228.5)
-
Step 400
400
#7AA8BF
oklch(70.7% 0.06 230.3)
-
Step 500
500
#5692AF
oklch(63.1% 0.076 230.6)
-
Step 600
600
#387C9B
oklch(55.6% 0.083 230.6)
-
Step 700
700
#2A6984
oklch(49.2% 0.077 229.5)
-
Step 800
800 (this color)
#225369
oklch(41.9% 0.064 230.4)
-
Step 900
900
#234657
oklch(37.6% 0.05 231.2)
-
Step 950
950
#152933
oklch(26.9% 0.032 231.4)
#225369 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) | #48526A | 0.044 |
| Deuteranopia (no green cones) | #3E4A69 | 0.039 |
| Tritanopia (no blue cones) | #00595A | 0.041 |
| Achromatopsia (no color) | #4E4E4E | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #225369
#225369
oklch(41.9% 0.064 230.4)
- #69422C
#69422C
oklch(41.9% 0.064 49.7)
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 #225369, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.035
- Petrol #005F6A ΔE 0.039
- Dark Grey Blue #29465B ΔE 0.042
- Dark Slate Gray #2F4F4F ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.043
- YInMn Blue #415A77 ΔE 0.048
- Charcoal #264653 ΔE 0.048
- Light Navy #155084 ΔE 0.049
Use #225369 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.