#257592
Closest named color: Sea Blue (#047495). oklch(52.8% 0.087 226.6), rgb(37, 117, 146).
Aa
White text reads best on this color (5.20:1).
About this color
#257592 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.087 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.013 away. White text reads best on it, at 5.20:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 4.03:1 |
| White text | 5.20:1 |
Values
| HEX | #257592 |
| RGB | rgb(37, 117, 146) |
| HSL | hsl(196, 60%, 36%) |
| OKLCH | oklch(52.8% 0.087 226.6) |
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 #257592 | 5.20:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #257592 | 4.03:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #257592 text on white | 5.20:1 | AA | Lc 75.5 | Fine for body text |
| #257592 text on black | 4.03:1 | AA large text | Lc -26.3 | 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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CBDCE4
oklch(88.4% 0.021 227.6)
-
Step 300
300
#A7C6D4
oklch(80.8% 0.039 226.9)
-
Step 400
400
#76A9BF
oklch(70.7% 0.063 226.7)
-
Step 500
500
#4F93AF
oklch(63% 0.081 227)
-
Step 600
600 (this color)
#257592
oklch(52.8% 0.087 226.6)
-
Step 700
700
#216A84
oklch(49.2% 0.081 226.1)
-
Step 800
800
#1E566B
oklch(42.6% 0.067 226.6)
-
Step 900
900
#1F4757
oklch(37.6% 0.052 226.9)
-
Step 950
950
#132A33
oklch(27.1% 0.033 225.6)
#257592 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) | #657393 | 0.064 |
| Deuteranopia (no green cones) | #576892 | 0.057 |
| Tritanopia (no blue cones) | #007D7E | 0.048 |
| Achromatopsia (no color) | #6D6D6D | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #257592
#257592
oklch(52.8% 0.087 226.6)
- #945A3E
#945A3E
oklch(52.7% 0.087 46.1)
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 #257592, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.013
- Ocean #017B92 ΔE 0.020
- Ocean Blue #03719C ΔE 0.026
- Muted Blue #3B719F ΔE 0.032
- Dull Blue #49759C ΔE 0.036
- Metallic Blue #4F738E ΔE 0.036
- Cerulean #457B9D ΔE 0.037
- Deep Aqua #08787F ΔE 0.037
Use #257592 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.