#25678F
Closest named color: Peacock Blue (#016795). oklch(49.1% 0.092 239.4), rgb(37, 103, 143).
Aa
White text reads best on this color (6.14:1).
About this color
#25678F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.092 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.016 away. White text reads best on it, at 6.14:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.41:1 |
| White text | 6.14:1 |
Values
| HEX | #25678F |
| RGB | rgb(37, 103, 143) |
| HSL | hsl(203, 59%, 35%) |
| OKLCH | oklch(49.1% 0.092 239.4) |
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 #25678F | 6.14:1 | AA | Lc -85.6 | Fine for body text |
| Black text on #25678F | 3.41:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #25678F text on white | 6.14:1 | AA | Lc 80.4 | Fine for body text |
| #25678F text on black | 3.41:1 | AA large text | Lc -21.4 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CBDCE8
oklch(88.5% 0.025 238.4)
-
Step 300
300
#A7C5DB
oklch(80.8% 0.045 239.9)
-
Step 400
400
#77A7C9
oklch(70.7% 0.072 239.9)
-
Step 500
500
#5291BB
oklch(63.2% 0.091 239.6)
-
Step 600
600
#337AA7
oklch(55.5% 0.099 239.9)
-
Step 700
700 (this color)
#25678F
oklch(49.1% 0.092 239.4)
-
Step 800
800
#215474
oklch(42.7% 0.076 239.6)
-
Step 900
900
#21465E
oklch(37.8% 0.059 239.4)
-
Step 950
950
#142937
oklch(27% 0.038 239.4)
#25678F 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) | #546791 | 0.049 |
| Deuteranopia (no green cones) | #465D8E | 0.040 |
| Tritanopia (no blue cones) | #007175 | 0.062 |
| Achromatopsia (no color) | #616161 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25678F
#25678F
oklch(49.1% 0.092 239.4)
- #865325
#865325
oklch(49.1% 0.091 60)
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 #25678F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.016
- Denim #3B638C ΔE 0.020
- Ocean Blue #03719C ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.038
- Sea Blue #047495 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.039
- Dusky Blue #475F94 ΔE 0.040
- Muted Blue #3B719F ΔE 0.043
Use #25678F 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.