#1F635F
Closest named color: Dark Green Blue (#1F6357). oklch(45.7% 0.067 189.5), rgb(31, 99, 95).
Aa
White text reads best on this color (6.98:1).
About this color
#1F635F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.067 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.013 away. White text reads best on it, at 6.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.00:1 |
| White text | 6.98:1 |
Values
| HEX | #1F635F |
| RGB | rgb(31, 99, 95) |
| HSL | hsl(176, 52%, 25%) |
| OKLCH | oklch(45.7% 0.067 189.5) |
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 #1F635F | 6.98:1 | AA | Lc -88.9 | Fine for body text |
| Black text on #1F635F | 3.00:1 | AA large text | Lc 20.1 | Dividers and decoration only |
| #1F635F text on white | 6.98:1 | AA | Lc 83.9 | Fine for body text |
| #1F635F text on black | 3.00:1 | AA large text | Lc -18.1 | Dividers and decoration only |
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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CADEDC
oklch(88.5% 0.022 189.5)
-
Step 300
300
#A5C9C6
oklch(80.9% 0.039 190.2)
-
Step 400
400
#72AEA9
oklch(70.8% 0.063 189.2)
-
Step 500
500
#489994
oklch(63.1% 0.08 189.9)
-
Step 600
600
#21837E
oklch(55.5% 0.087 189.8)
-
Step 700
700
#106F6A
oklch(49% 0.081 189.2)
-
Step 800
800 (this color)
#1F635F
oklch(45.7% 0.067 189.5)
-
Step 900
900
#1A4A47
oklch(37.6% 0.052 189.5)
-
Step 950
950
#112C2A
oklch(27.1% 0.033 189)
#1F635F 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) | #5D5E5F | 0.070 |
| Deuteranopia (no green cones) | #535660 | 0.067 |
| Tritanopia (no blue cones) | #006662 | 0.013 |
| Achromatopsia (no color) | #595959 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F635F
#1F635F
oklch(45.7% 0.067 189.5)
- #77474F
#77474F
oklch(45.6% 0.066 9.2)
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 #1F635F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.013
- Dark Aqua #05696B ΔE 0.023
- Petrol #005F6A ΔE 0.028
- Dark Aquamarine #017371 ΔE 0.050
- Deep Teal #00555A ΔE 0.050
- Deep Turquoise #017374 ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.061
- Pine #2B5D34 ΔE 0.062
Use #1F635F 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.