#235D9B
Closest named color: Denim Blue (#3B5B92). oklch(47.3% 0.117 252.9), rgb(35, 93, 155).
Aa
White text reads best on this color (6.75:1).
About this color
#235D9B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.117 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.024 away. White text reads best on it, at 6.75:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.11:1 |
| White text | 6.75:1 |
Values
| HEX | #235D9B |
| RGB | rgb(35, 93, 155) |
| HSL | hsl(211, 63%, 37%) |
| OKLCH | oklch(47.3% 0.117 252.9) |
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 #235D9B | 6.75:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #235D9B | 3.11:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #235D9B text on white | 6.75:1 | AA | Lc 82.9 | Fine for body text |
| #235D9B text on black | 3.11:1 | AA large text | Lc -19.0 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CBDBEE
oklch(88.5% 0.031 252.7)
-
Step 300
300
#A7C3E5
oklch(80.8% 0.057 253.4)
-
Step 400
400
#78A4D8
oklch(70.7% 0.09 253.1)
-
Step 500
500
#538CCD
oklch(63% 0.116 252.9)
-
Step 600
600
#3775BA
oklch(55.5% 0.125 253.1)
-
Step 700
700 (this color)
#235D9B
oklch(47.3% 0.117 252.9)
-
Step 800
800
#235082
oklch(42.6% 0.097 253.1)
-
Step 900
900
#224368
oklch(37.7% 0.075 252.8)
-
Step 950
950
#14273D
oklch(26.8% 0.048 253.2)
#235D9B 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) | #40619D | 0.031 |
| Deuteranopia (no green cones) | #2C569A | 0.020 |
| Tritanopia (no blue cones) | #006C74 | 0.089 |
| Achromatopsia (no color) | #5B5B5B | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #235D9B
#235D9B
oklch(47.3% 0.117 252.9)
- #7D5100
#7D5100
oklch(47.3% 0.101 73.2)
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 #235D9B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.024
- Light Navy Blue #2E5A88 ΔE 0.031
- Dusk Blue #26538D ΔE 0.034
- Peacock Blue #016795 ΔE 0.034
- Dusky Blue #475F94 ΔE 0.038
- Denim #3B638C ΔE 0.040
- Mid Blue #276AB3 ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.051
Use #235D9B 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.