#105E4A
Closest named color: Dark Green Blue (#1F6357). oklch(43.2% 0.079 170.6), rgb(16, 94, 74).
Aa
White text reads best on this color (7.71:1).
About this color
#105E4A is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 43%, its chroma 0.079 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.026 away. White text reads best on it, at 7.71:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.72:1 |
| White text | 7.71:1 |
Values
| HEX | #105E4A |
| RGB | rgb(16, 94, 74) |
| HSL | hsl(165, 71%, 22%) |
| OKLCH | oklch(43.2% 0.079 170.6) |
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 #105E4A | 7.71:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #105E4A | 2.72:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #105E4A text on white | 7.71:1 | AAA | Lc 86.4 | Fine for body text |
| #105E4A text on black | 2.72:1 | Fails | Lc -15.6 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#C9DFD7
oklch(88.5% 0.026 171.9)
-
Step 300
300
#A4CBBC
oklch(81% 0.046 169.7)
-
Step 400
400
#70B09A
oklch(70.7% 0.074 170.4)
-
Step 500
500
#449C81
oklch(63.1% 0.095 170.3)
-
Step 600
600
#19866B
oklch(55.5% 0.102 171)
-
Step 700
700
#047259
oklch(49.2% 0.096 170.5)
-
Step 800
800 (this color)
#105E4A
oklch(43.2% 0.079 170.6)
-
Step 900
900
#174C3D
oklch(37.7% 0.062 170.9)
-
Step 950
950
#102D24
oklch(27.2% 0.039 170.4)
#105E4A 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) | #5B5749 | 0.081 |
| Deuteranopia (no green cones) | #51504B | 0.077 |
| Tritanopia (no blue cones) | #005F58 | 0.022 |
| Achromatopsia (no color) | #535353 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #105E4A
#105E4A
oklch(43.2% 0.079 170.6)
- #713D56
#713D56
oklch(43.2% 0.08 350.7)
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 #105E4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.026
- Spruce #0A5F38 ΔE 0.030
- Pine #2B5D34 ΔE 0.033
- Dark Blue Green #005249 ΔE 0.042
- Deep Teal #00555A ΔE 0.047
- Petrol #005F6A ΔE 0.052
- Dark Aqua #05696B ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.056
Use #105E4A 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.