#104F3F
Closest named color: Dark Blue Green (#005249). oklch(38.4% 0.068 171.6), rgb(16, 79, 63).
Aa
White text reads best on this color (9.49:1).
About this color
#104F3F is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.068 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.016 away. White text reads best on it, at 9.49:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.21:1 |
| White text | 9.49:1 |
Values
| HEX | #104F3F |
| RGB | rgb(16, 79, 63) |
| HSL | hsl(165, 66%, 19%) |
| OKLCH | oklch(38.4% 0.068 171.6) |
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 #104F3F | 9.49:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #104F3F | 2.21:1 | Fails | Lc 12.3 | Not readable |
| #104F3F text on white | 9.49:1 | AAA | Lc 91.7 | Preferred for body text |
| #104F3F text on black | 2.21:1 | Fails | Lc -10.7 | 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 900.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C8E0D7
oklch(88.6% 0.028 171.1)
-
Step 300
300
#A0CCBD
oklch(81% 0.051 172.1)
-
Step 400
400
#69B19A
oklch(70.6% 0.081 171.4)
-
Step 500
500
#369E82
oklch(63.2% 0.104 171.6)
-
Step 600
600
#00876B
oklch(55.5% 0.108 171.4)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900 (this color)
#104F3F
oklch(38.4% 0.068 171.6)
-
Step 950
950
#0B2D24
oklch(26.9% 0.043 172.4)
#104F3F 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) | #4C493E | 0.069 |
| Deuteranopia (no green cones) | #444340 | 0.067 |
| Tritanopia (no blue cones) | #00504A | 0.018 |
| Achromatopsia (no color) | #464646 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104F3F
#104F3F
oklch(38.4% 0.068 171.6)
- #5F3448
#5F3448
oklch(38.6% 0.067 351.4)
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 #104F3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.016
- Dark Teal #014D4E ΔE 0.029
- Evergreen #05472A ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.041
- Deep Teal #00555A ΔE 0.043
- Pine Green #0A481E ΔE 0.050
- Charcoal #264653 ΔE 0.056
- Spruce #0A5F38 ΔE 0.059
Use #104F3F 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.