#2E545B
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.1% 0.045 210.7), rgb(46, 84, 91).
Aa
White text reads best on this color (8.28:1).
About this color
#2E545B is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.045 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.022 away. White text reads best on it, at 8.28:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.53:1 |
| White text | 8.28:1 |
Values
| HEX | #2E545B |
| RGB | rgb(46, 84, 91) |
| HSL | hsl(189, 33%, 27%) |
| OKLCH | oklch(42.1% 0.045 210.7) |
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 #2E545B | 8.28:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #2E545B | 2.53:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #2E545B text on white | 8.28:1 | AAA | Lc 88.5 | Fine for body text |
| #2E545B text on black | 2.53:1 | Fails | Lc -13.7 | 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 800.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CFDCDE
oklch(88.5% 0.014 207.9)
-
Step 300
300
#AEC6CA
oklch(81% 0.027 208.7)
-
Step 400
400
#83A8AF
oklch(70.7% 0.042 210.4)
-
Step 500
500
#62939C
oklch(63.2% 0.054 210.3)
-
Step 600
600
#487D87
oklch(55.7% 0.059 211)
-
Step 700
700
#396972
oklch(49.1% 0.054 211)
-
Step 800
800 (this color)
#2E545B
oklch(42.1% 0.045 210.7)
-
Step 900
900
#2B474C
oklch(37.8% 0.035 210)
-
Step 950
950
#19292D
oklch(26.9% 0.023 215.1)
#2E545B 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) | #4E515B | 0.043 |
| Deuteranopia (no green cones) | #474C5B | 0.039 |
| Tritanopia (no blue cones) | #175756 | 0.024 |
| Achromatopsia (no color) | #4E4E4E | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E545B
#2E545B
oklch(42.1% 0.045 210.7)
- #63443E
#63443E
oklch(41.9% 0.044 31.2)
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 #2E545B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.022
- Deep Teal #00555A ΔE 0.029
- Petrol #005F6A ΔE 0.040
- Dark Teal #014D4E ΔE 0.046
- Dark Blue Green #005249 ΔE 0.046
- Charcoal #264653 ΔE 0.047
- Dark Grey Blue #29465B ΔE 0.047
- Dark Green Blue #1F6357 ΔE 0.052
Use #2E545B 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.