#225D97
Closest named color: Denim Blue (#3B5B92). oklch(47% 0.112 251.2), rgb(34, 93, 151).
Aa
White text reads best on this color (6.81:1).
About this color
#225D97 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.112 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.023 away. White text reads best on it, at 6.81:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.08:1 |
| White text | 6.81:1 |
Values
| HEX | #225D97 |
| RGB | rgb(34, 93, 151) |
| HSL | hsl(210, 63%, 36%) |
| OKLCH | oklch(47% 0.112 251.2) |
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 #225D97 | 6.81:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #225D97 | 3.08:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #225D97 text on white | 6.81:1 | AA | Lc 83.2 | Fine for body text |
| #225D97 text on black | 3.08:1 | AA large text | Lc -18.7 | 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 700.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CBDBED
oklch(88.5% 0.03 251.3)
-
Step 300
300
#A7C4E3
oklch(80.9% 0.054 250.2)
-
Step 400
400
#78A5D5
oklch(70.8% 0.086 250.7)
-
Step 500
500
#548DCA
oklch(63.1% 0.11 251.4)
-
Step 600
600
#3776B7
oklch(55.6% 0.12 251.5)
-
Step 700
700 (this color)
#225D97
oklch(47% 0.112 251.2)
-
Step 800
800
#235180
oklch(42.7% 0.093 251.3)
-
Step 900
900
#224367
oklch(37.6% 0.073 252.1)
-
Step 950
950
#15283C
oklch(27.1% 0.045 250.9)
#225D97 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) | #426199 | 0.034 |
| Deuteranopia (no green cones) | #305696 | 0.021 |
| Tritanopia (no blue cones) | #006B72 | 0.085 |
| Achromatopsia (no color) | #5B5B5B | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #225D97
#225D97
oklch(47% 0.112 251.2)
- #7E4F00
#7E4F00
oklch(47% 0.101 70.5)
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 #225D97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.023
- Light Navy Blue #2E5A88 ΔE 0.025
- Dusk Blue #26538D ΔE 0.031
- Peacock Blue #016795 ΔE 0.031
- Denim #3B638C ΔE 0.037
- Dusky Blue #475F94 ΔE 0.038
- Deep Sea Blue #015482 ΔE 0.046
- Light Navy #155084 ΔE 0.048
Use #225D97 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.