#00635F
Closest named color: Dark Green Blue (#1F6357). oklch(45.1% 0.078 189.9), rgb(0, 99, 95).
Aa
White text reads best on this color (7.11:1).
About this color
#00635F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 45%, its chroma 0.078 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.016 away. White text reads best on it, at 7.11:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.94:1 |
| White text | 7.11:1 |
Values
| HEX | #00635F |
| RGB | rgb(0, 99, 95) |
| HSL | hsl(178, 100%, 19%) |
| OKLCH | oklch(45.1% 0.078 189.9) |
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 #00635F | 7.11:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #00635F | 2.94:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #00635F text on white | 7.11:1 | AAA | Lc 84.2 | Fine for body text |
| #00635F text on black | 2.94:1 | Fails | Lc -17.8 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEC
oklch(93.7% 0.013 190.9)
-
Step 200
200
#C7DFDD
oklch(88.5% 0.026 190.6)
-
Step 300
300
#A0CBC7
oklch(81% 0.046 189.3)
-
Step 400
400
#68AFAA
oklch(70.6% 0.072 189.9)
-
Step 500
500
#349B96
oklch(63% 0.093 190.4)
-
Step 600
600
#008580
oklch(55.7% 0.096 190.1)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800 (this color)
#00635F
oklch(45.1% 0.078 189.9)
-
Step 900
900
#0B4C49
oklch(37.8% 0.061 190.1)
-
Step 950
950
#0B2C2B
oklch(26.9% 0.038 192.3)
#00635F 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) | #5C5D5F | 0.082 |
| Deuteranopia (no green cones) | #515460 | 0.079 |
| Tritanopia (no blue cones) | #006662 | 0.010 |
| Achromatopsia (no color) | #585858 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00635F
#00635F
oklch(45.1% 0.078 189.9)
- #7A424C
#7A424C
oklch(45% 0.078 9.3)
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 #00635F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.016
- Dark Aqua #05696B ΔE 0.024
- Petrol #005F6A ΔE 0.026
- Deep Teal #00555A ΔE 0.045
- Dark Aquamarine #017371 ΔE 0.052
- Deep Turquoise #017374 ΔE 0.054
- Dark Blue Green #005249 ΔE 0.059
- Spruce #0A5F38 ΔE 0.059
Use #00635F 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.