#1F514B
Closest named color: Dark Blue Green (#005249). oklch(39.9% 0.055 184.6), rgb(31, 81, 75).
Aa
White text reads best on this color (8.98:1).
About this color
#1F514B is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.055 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.017 away. White text reads best on it, at 8.98:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.33:1 |
| White text | 8.98:1 |
Values
| HEX | #1F514B |
| RGB | rgb(31, 81, 75) |
| HSL | hsl(173, 45%, 22%) |
| OKLCH | oklch(39.9% 0.055 184.6) |
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 #1F514B | 8.98:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #1F514B | 2.33:1 | Fails | Lc 13.5 | Not readable |
| #1F514B text on white | 8.98:1 | AAA | Lc 90.4 | Preferred for body text |
| #1F514B text on black | 2.33:1 | Fails | Lc -11.9 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2EDEB
oklch(93.7% 0.012 184.1)
-
Step 200
200
#C9DEDB
oklch(88.4% 0.023 186.4)
-
Step 300
300
#A4CAC4
oklch(81% 0.041 184.7)
-
Step 400
400
#70AEA6
oklch(70.6% 0.065 185.6)
-
Step 500
500
#459A90
oklch(63.1% 0.084 185)
-
Step 600
600
#1D847A
oklch(55.5% 0.09 185.1)
-
Step 700
700
#097067
oklch(49.1% 0.084 185)
-
Step 800
800
#105B54
oklch(42.6% 0.07 185.4)
-
Step 900
900 (this color)
#1F514B
oklch(39.9% 0.055 184.6)
-
Step 950
950
#102C28
oklch(27% 0.035 183.1)
#1F514B 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) | #4D4D4B | 0.058 |
| Deuteranopia (no green cones) | #45474C | 0.054 |
| Tritanopia (no blue cones) | #00534F | 0.015 |
| Achromatopsia (no color) | #494949 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F514B
#1F514B
oklch(39.9% 0.055 184.6)
- #603B44
#603B44
oklch(39.9% 0.054 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 #1F514B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.017
- Dark Slate Gray #2F4F4F ΔE 0.019
- Dark Teal #014D4E ΔE 0.024
- Deep Teal #00555A ΔE 0.026
- Charcoal #264653 ΔE 0.043
- Dark Grey Blue #29465B ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.056
- Petrol #005F6A ΔE 0.057
Use #1F514B 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.