#104455
Closest named color: Charcoal (#264653). oklch(36.2% 0.06 224.4), rgb(16, 68, 85).
Aa
White text reads best on this color (10.60:1).
About this color
#104455 is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.060 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.021 away. White text reads best on it, at 10.60:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.98:1 |
| White text | 10.60:1 |
Values
| HEX | #104455 |
| RGB | rgb(16, 68, 85) |
| HSL | hsl(195, 68%, 20%) |
| OKLCH | oklch(36.2% 0.06 224.4) |
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 #104455 | 10.60:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #104455 | 1.98:1 | Fails | Lc 9.6 | Not readable |
| #104455 text on white | 10.60:1 | AAA | Lc 94.3 | Preferred for body text |
| #104455 text on black | 1.98:1 | Fails | Lc -8.3 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C8DDE6
oklch(88.5% 0.026 225.3)
-
Step 300
300
#A2C7D7
oklch(80.8% 0.045 226)
-
Step 400
400
#6DABC2
oklch(70.8% 0.072 223.6)
-
Step 500
500
#4195B3
oklch(63.1% 0.092 224.7)
-
Step 600
600
#147F9F
oklch(55.6% 0.1 224.6)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#0A576E
oklch(42.6% 0.077 224.7)
-
Step 900
900 (this color)
#104455
oklch(36.2% 0.06 224.4)
-
Step 950
950
#0F2A34
oklch(26.9% 0.038 225.1)
#104455 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) | #3B4256 | 0.047 |
| Deuteranopia (no green cones) | #313C55 | 0.040 |
| Tritanopia (no blue cones) | #00494A | 0.030 |
| Achromatopsia (no color) | #3F3F3F | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104455
#104455
oklch(36.2% 0.06 224.4)
- #583322
#583322
oklch(36.3% 0.06 45)
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 #104455, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.021
- Dark Grey Blue #29465B ΔE 0.027
- Dark Blue Grey #1F3B4D ΔE 0.030
- Midnight Green #073B4C ΔE 0.033
- Dark Teal #014D4E ΔE 0.036
- Prussian Blue #1D3557 ΔE 0.050
- Onyx #343A40 ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.052
Use #104455 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.