#284249
Closest named color: Charcoal (#264653). oklch(36.1% 0.034 216.6), rgb(40, 66, 73).
Aa
White text reads best on this color (10.68:1).
About this color
#284249 is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.034 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.018 away. White text reads best on it, at 10.68:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.96:1 |
| White text | 10.68:1 |
Values
| HEX | #284249 |
| RGB | rgb(40, 66, 73) |
| HSL | hsl(193, 29%, 22%) |
| OKLCH | oklch(36.1% 0.034 216.6) |
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 #284249 | 10.68:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #284249 | 1.96:1 | Fails | Lc 9.2 | Not readable |
| #284249 text on white | 10.68:1 | AAA | Lc 94.7 | Preferred for body text |
| #284249 text on black | 1.96:1 | Fails | Lc -7.9 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#CFDCDF
oklch(88.6% 0.015 213.1)
-
Step 300
300
#AFC5CB
oklch(80.9% 0.025 215.9)
-
Step 400
400
#84A7B1
oklch(70.6% 0.041 217.1)
-
Step 500
500
#65929E
oklch(63.2% 0.052 216.2)
-
Step 600
600
#4B7C89
oklch(55.7% 0.057 216.6)
-
Step 700
700
#3C6874
oklch(49% 0.052 217.2)
-
Step 800
800
#32555E
oklch(42.7% 0.043 216)
-
Step 900
900 (this color)
#284249
oklch(36.1% 0.034 216.6)
-
Step 950
950
#1A292D
oklch(26.9% 0.022 216.2)
#284249 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) | #3D4049 | 0.030 |
| Deuteranopia (no green cones) | #383C49 | 0.028 |
| Tritanopia (no blue cones) | #1A4544 | 0.021 |
| Achromatopsia (no color) | #3E3E3E | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #284249
#284249
oklch(36.1% 0.034 216.6)
- #4E3731
#4E3731
oklch(36.1% 0.035 35.1)
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 #284249, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.018
- Onyx #343A40 ΔE 0.029
- Charcoal Grey #3C4142 ΔE 0.029
- Dark Blue Grey #1F3B4D ΔE 0.030
- Dark Grey Blue #29465B ΔE 0.031
- Dark Teal #014D4E ΔE 0.040
- Midnight Green #073B4C ΔE 0.041
- Dark Slate Gray #2F4F4F ΔE 0.044
Use #284249 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.