#265F66
Closest named color: Petrol (#005F6A). oklch(45.1% 0.06 206.3), rgb(38, 95, 102).
Aa
White text reads best on this color (7.21:1).
About this color
#265F66 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.060 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.018 away. White text reads best on it, at 7.21:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.91:1 |
| White text | 7.21:1 |
Values
| HEX | #265F66 |
| RGB | rgb(38, 95, 102) |
| HSL | hsl(187, 46%, 27%) |
| OKLCH | oklch(45.1% 0.06 206.3) |
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 #265F66 | 7.21:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #265F66 | 2.91:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #265F66 text on white | 7.21:1 | AAA | Lc 84.8 | Fine for body text |
| #265F66 text on black | 2.91:1 | Fails | Lc -17.2 | 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 800.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CBDDDF
oklch(88.5% 0.019 204.8)
-
Step 300
300
#A7C8CC
oklch(81% 0.036 205.5)
-
Step 400
400
#77ABB2
oklch(70.7% 0.056 206.5)
-
Step 500
500
#50969F
oklch(63.1% 0.072 206.4)
-
Step 600
600
#30808A
oklch(55.6% 0.078 206.7)
-
Step 700
700
#216C75
oklch(49% 0.072 206.6)
-
Step 800
800 (this color)
#265F66
oklch(45.1% 0.06 206.3)
-
Step 900
900
#1F494E
oklch(37.8% 0.047 205.8)
-
Step 950
950
#142B2E
oklch(27.2% 0.029 206.4)
#265F66 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) | #575B66 | 0.058 |
| Deuteranopia (no green cones) | #4E5466 | 0.054 |
| Tritanopia (no blue cones) | #006361 | 0.024 |
| Achromatopsia (no color) | #575757 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #265F66
#265F66
oklch(45.1% 0.06 206.3)
- #734844
#734844
oklch(45% 0.06 25.5)
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 #265F66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.018
- Dark Aqua #05696B ΔE 0.031
- Dark Green Blue #1F6357 ΔE 0.032
- Deep Teal #00555A ΔE 0.043
- YInMn Blue #415A77 ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.054
- Slate #516572 ΔE 0.057
- Deep Turquoise #017374 ΔE 0.060
Use #265F66 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.