#2A4852
Closest named color: Charcoal (#264653). oklch(38.2% 0.04 221.2), rgb(42, 72, 82).
Aa
White text reads best on this color (9.78:1).
About this color
#2A4852 is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.040 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.009 away. White text reads best on it, at 9.78:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.14:1 |
| White text | 9.78:1 |
Values
| HEX | #2A4852 |
| RGB | rgb(42, 72, 82) |
| HSL | hsl(195, 32%, 24%) |
| OKLCH | oklch(38.2% 0.04 221.2) |
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 #2A4852 | 9.78:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #2A4852 | 2.14:1 | Fails | Lc 11.3 | Not readable |
| #2A4852 text on white | 9.78:1 | AAA | Lc 92.6 | Preferred for body text |
| #2A4852 text on black | 2.14:1 | Fails | Lc -9.8 | 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
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CEDCE1
oklch(88.5% 0.017 221.1)
-
Step 300
300
#ADC5CE
oklch(80.8% 0.029 222.4)
-
Step 400
400
#80A8B6
oklch(70.7% 0.048 221.4)
-
Step 500
500
#5F92A4
oklch(63.1% 0.061 222.3)
-
Step 600
600
#447C8F
oklch(55.6% 0.066 222.2)
-
Step 700
700
#356979
oklch(49.2% 0.061 220.3)
-
Step 800
800
#2D5563
oklch(42.6% 0.051 222.9)
-
Step 900
900 (this color)
#2A4852
oklch(38.2% 0.04 221.2)
-
Step 950
950
#18292F
oklch(26.9% 0.025 222.2)
#2A4852 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) | #424653 | 0.033 |
| Deuteranopia (no green cones) | #3C4252 | 0.029 |
| Tritanopia (no blue cones) | #184B4B | 0.025 |
| Achromatopsia (no color) | #444444 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A4852
#2A4852
oklch(38.2% 0.04 221.2)
- #563C33
#563C33
oklch(38.3% 0.04 39.9)
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 #2A4852, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.009
- Dark Grey Blue #29465B ΔE 0.019
- Dark Slate Gray #2F4F4F ΔE 0.027
- Dark Teal #014D4E ΔE 0.033
- Charcoal Grey #3C4142 ΔE 0.035
- Deep Teal #00555A ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.046
- Onyx #343A40 ΔE 0.047
Use #2A4852 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.