#235374
Closest named color: Deep Sea Blue (#015482). oklch(42.5% 0.076 241.7), rgb(35, 83, 116).
Aa
White text reads best on this color (8.20:1).
About this color
#235374 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.076 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.027 away. White text reads best on it, at 8.20:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.56:1 |
| White text | 8.20:1 |
Values
| HEX | #235374 |
| RGB | rgb(35, 83, 116) |
| HSL | hsl(204, 54%, 30%) |
| OKLCH | oklch(42.5% 0.076 241.7) |
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 #235374 | 8.20:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #235374 | 2.56:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #235374 text on white | 8.20:1 | AAA | Lc 88.1 | Fine for body text |
| #235374 text on black | 2.56:1 | Fails | Lc -14.0 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CCDCE8
oklch(88.6% 0.024 240.1)
-
Step 300
300
#A8C5DB
oklch(80.9% 0.044 240.9)
-
Step 400
400
#79A7C9
oklch(70.8% 0.07 241)
-
Step 500
500
#5590BB
oklch(63.1% 0.09 241.7)
-
Step 600
600
#377AA8
oklch(55.7% 0.099 241.6)
-
Step 700
700
#296690
oklch(49% 0.092 242.2)
-
Step 800
800 (this color)
#235374
oklch(42.5% 0.076 241.7)
-
Step 900
900
#22455E
oklch(37.6% 0.059 241.7)
-
Step 950
950
#152937
oklch(27.1% 0.037 240.5)
#235374 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) | #445375 | 0.038 |
| Deuteranopia (no green cones) | #394B73 | 0.031 |
| Tritanopia (no blue cones) | #005B5E | 0.054 |
| Achromatopsia (no color) | #4F4F4F | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #235374
#235374
oklch(42.5% 0.076 241.7)
- #6C441E
#6C441E
oklch(42.5% 0.076 61.7)
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 #235374, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.027
- Light Navy #155084 ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.039
- YInMn Blue #415A77 ΔE 0.042
- Dusk Blue #26538D ΔE 0.043
- Petrol #005F6A ΔE 0.048
- Dark Grey Blue #29465B ΔE 0.051
- Deep Teal #00555A ΔE 0.052
Use #235374 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.