#16403A
Closest named color: Midnight Green (#073B4C). oklch(34% 0.048 182.6), rgb(22, 64, 58).
Aa
White text reads best on this color (11.48:1).
About this color
#16403A is a dark, muted teal or cyan. In OKLCH its lightness is 34%, its chroma 0.048 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.042 away. White text reads best on it, at 11.48:1.
| Hue family | Teals and cyans |
| Lightness | dark (34%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.82:1 |
| White text | 11.48:1 |
Values
| HEX | #16403A |
| RGB | rgb(22, 64, 58) |
| HSL | hsl(171, 49%, 17%) |
| OKLCH | oklch(34% 0.048 182.6) |
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 #16403A | 11.48:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #16403A | 1.82:1 | Fails | Lc 7.6 | Not readable |
| #16403A text on white | 11.48:1 | AAA | Lc 96.3 | Preferred for body text |
| #16403A text on black | 1.82:1 | Fails | Lc 0.0 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CCDEDA
oklch(88.6% 0.02 181.1)
-
Step 300
300
#A8C9C2
oklch(81% 0.037 181.1)
-
Step 400
400
#78ADA4
oklch(70.8% 0.057 182.9)
-
Step 500
500
#52988D
oklch(63.1% 0.073 182.6)
-
Step 600
600
#338277
oklch(55.5% 0.079 182.8)
-
Step 700
700
#246E64
oklch(49% 0.074 182.6)
-
Step 800
800
#205A52
oklch(42.7% 0.061 182.8)
-
Step 900
900 (this color)
#16403A
oklch(34% 0.048 182.6)
-
Step 950
950
#142B28
oklch(26.9% 0.03 184.8)
#16403A 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) | #3D3C3A | 0.051 |
| Deuteranopia (no green cones) | #36373B | 0.049 |
| Tritanopia (no blue cones) | #00413E | 0.013 |
| Achromatopsia (no color) | #393939 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #16403A
#16403A
oklch(34% 0.048 182.6)
- #4D2D36
#4D2D36
oklch(34% 0.049 1.8)
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 #16403A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.042
- Evergreen #05472A ΔE 0.043
- Dark Blue Grey #1F3B4D ΔE 0.044
- Onyx #343A40 ΔE 0.044
- Dark Teal #014D4E ΔE 0.046
- Charcoal #264653 ΔE 0.049
- Charcoal Grey #3C4142 ΔE 0.052
- Pakistan Green #283618 ΔE 0.053
Use #16403A 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.