#264B4F
Closest named color: Dark Slate Gray (#2F4F4F). oklch(38.7% 0.043 204.6), rgb(38, 75, 79).
Aa
White text reads best on this color (9.53:1).
About this color
#264B4F is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.043 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.018 away. White text reads best on it, at 9.53:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.20:1 |
| White text | 9.53:1 |
Values
| HEX | #264B4F |
| RGB | rgb(38, 75, 79) |
| HSL | hsl(186, 35%, 23%) |
| OKLCH | oklch(38.7% 0.043 204.6) |
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 #264B4F | 9.53:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #264B4F | 2.20:1 | Fails | Lc 12.0 | Not readable |
| #264B4F text on white | 9.53:1 | AAA | Lc 92.0 | Preferred for body text |
| #264B4F text on black | 2.20:1 | Fails | Lc -10.4 | 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 900.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDDF
oklch(88.5% 0.018 205.3)
-
Step 300
300
#A9C7CA
oklch(80.8% 0.033 203.9)
-
Step 400
400
#7AAAB0
oklch(70.6% 0.052 205.7)
-
Step 500
500
#56959C
oklch(63% 0.066 204.8)
-
Step 600
600
#387F87
oklch(55.5% 0.072 205.3)
-
Step 700
700
#2A6C72
oklch(49.2% 0.067 203.5)
-
Step 800
800
#24585D
oklch(42.8% 0.055 203.9)
-
Step 900
900 (this color)
#264B4F
oklch(38.7% 0.043 204.6)
-
Step 950
950
#152A2D
oklch(26.9% 0.027 207.4)
#264B4F 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) | #46484F | 0.043 |
| Deuteranopia (no green cones) | #3F434F | 0.040 |
| Tritanopia (no blue cones) | #0F4E4C | 0.021 |
| Achromatopsia (no color) | #454545 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #264B4F
#264B4F
oklch(38.7% 0.043 204.6)
- #593B39
#593B39
oklch(38.6% 0.043 23.5)
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 #264B4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.018
- Charcoal #264653 ΔE 0.020
- Dark Teal #014D4E ΔE 0.024
- Dark Grey Blue #29465B ΔE 0.031
- Deep Teal #00555A ΔE 0.035
- Dark Blue Green #005249 ΔE 0.035
- Charcoal Grey #3C4142 ΔE 0.039
- Onyx #343A40 ΔE 0.054
Use #264B4F 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.