#104453
Closest named color: Charcoal (#264653). oklch(36.1% 0.058 221.5), rgb(16, 68, 83).
Aa
White text reads best on this color (10.63:1).
About this color
#104453 is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.058 and its hue 221°. 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 10.63:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.97:1 |
| White text | 10.63:1 |
Values
| HEX | #104453 |
| RGB | rgb(16, 68, 83) |
| HSL | hsl(193, 68%, 19%) |
| OKLCH | oklch(36.1% 0.058 221.5) |
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 #104453 | 10.63:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #104453 | 1.97:1 | Fails | Lc 9.5 | Not readable |
| #104453 text on white | 10.63:1 | AAA | Lc 94.4 | Preferred for body text |
| #104453 text on black | 1.97:1 | Fails | Lc -8.2 | 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
#C9DDE5
oklch(88.5% 0.024 223.7)
-
Step 300
300
#A2C8D5
oklch(81% 0.044 220.7)
-
Step 400
400
#6EABC0
oklch(70.7% 0.07 221.8)
-
Step 500
500
#4196B0
oklch(63.2% 0.09 221.1)
-
Step 600
600
#15809C
oklch(55.7% 0.098 221.4)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#0B586C
oklch(42.8% 0.075 221.3)
-
Step 900
900 (this color)
#104453
oklch(36.1% 0.058 221.5)
-
Step 950
950
#0F2A33
oklch(26.8% 0.037 222.6)
#104453 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) | #3B4254 | 0.047 |
| Deuteranopia (no green cones) | #323B53 | 0.043 |
| Tritanopia (no blue cones) | #004949 | 0.029 |
| Achromatopsia (no color) | #3E3E3E | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104453
#104453
oklch(36.1% 0.058 221.5)
- #573224
#573224
oklch(36% 0.059 41.4)
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 #104453, 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 0.029
- Dark Blue Grey #1F3B4D ΔE 0.029
- Midnight Green #073B4C ΔE 0.032
- Dark Teal #014D4E ΔE 0.034
- Onyx #343A40 ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.052
Use #104453 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.