#294F55
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.2% 0.044 208.7), rgb(41, 79, 85).
Aa
White text reads best on this color (8.95:1).
About this color
#294F55 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.044 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.011 away. White text reads best on it, at 8.95:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.34:1 |
| White text | 8.95:1 |
Values
| HEX | #294F55 |
| RGB | rgb(41, 79, 85) |
| HSL | hsl(188, 35%, 25%) |
| OKLCH | oklch(40.2% 0.044 208.7) |
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 #294F55 | 8.95:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #294F55 | 2.34:1 | Fails | Lc 13.5 | Not readable |
| #294F55 text on white | 8.95:1 | AAA | Lc 90.5 | Preferred for body text |
| #294F55 text on black | 2.34:1 | Fails | Lc -11.8 | 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 800.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CFDCDE
oklch(88.5% 0.014 207.9)
-
Step 300
300
#AEC6C9
oklch(80.9% 0.026 205.8)
-
Step 400
400
#83A8AE
oklch(70.6% 0.041 208.5)
-
Step 500
500
#63939B
oklch(63.2% 0.053 209)
-
Step 600
600
#487D85
oklch(55.6% 0.058 208)
-
Step 700
700
#396971
oklch(49% 0.054 209.4)
-
Step 800
800 (this color)
#294F55
oklch(40.2% 0.044 208.7)
-
Step 900
900
#2B474B
oklch(37.7% 0.034 207.2)
-
Step 950
950
#1A2A2C
oklch(27.2% 0.022 205.8)
#294F55 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) | #494C55 | 0.042 |
| Deuteranopia (no green cones) | #424755 | 0.039 |
| Tritanopia (no blue cones) | #115251 | 0.023 |
| Achromatopsia (no color) | #494949 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #294F55
#294F55
oklch(40.2% 0.044 208.7)
- #5E3F3B
#5E3F3B
oklch(40.2% 0.044 27.4)
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 #294F55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.011
- Deep Teal #00555A ΔE 0.027
- Charcoal #264653 ΔE 0.030
- Dark Teal #014D4E ΔE 0.031
- Dark Grey Blue #29465B ΔE 0.034
- Dark Blue Green #005249 ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.049
- Petrol #005F6A ΔE 0.053
Use #294F55 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.