#134258
Closest named color: Charcoal (#264653). oklch(35.9% 0.062 232.8), rgb(19, 66, 88).
Aa
White text reads best on this color (10.78:1).
About this color
#134258 is a dark, muted blue. In OKLCH its lightness is 36%, its chroma 0.062 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.026 away. White text reads best on it, at 10.78:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.94:1 |
| White text | 10.78:1 |
Values
| HEX | #134258 |
| RGB | rgb(19, 66, 88) |
| HSL | hsl(199, 64%, 21%) |
| OKLCH | oklch(35.9% 0.062 232.8) |
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 #134258 | 10.78:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #134258 | 1.94:1 | Fails | Lc 9.2 | Not readable |
| #134258 text on white | 10.78:1 | AAA | Lc 94.7 | Preferred for body text |
| #134258 text on black | 1.94:1 | Fails | Lc -7.9 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DDE8
oklch(88.6% 0.026 231.7)
-
Step 300
300
#A3C6DA
oklch(80.8% 0.047 233.2)
-
Step 400
400
#70A9C8
oklch(70.7% 0.075 233.1)
-
Step 500
500
#4693BA
oklch(63.1% 0.096 233.2)
-
Step 600
600
#207DA6
oklch(55.6% 0.104 232.8)
-
Step 700
700
#0F698E
oklch(49.1% 0.096 232.8)
-
Step 800
800
#135673
oklch(42.7% 0.079 232.3)
-
Step 900
900 (this color)
#134258
oklch(35.9% 0.062 232.8)
-
Step 950
950
#102A37
oklch(27.1% 0.04 232.6)
#134258 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) | #374159 | 0.040 |
| Deuteranopia (no green cones) | #2E3B58 | 0.034 |
| Tritanopia (no blue cones) | #004849 | 0.039 |
| Achromatopsia (no color) | #3D3D3D | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #134258
#134258
oklch(35.9% 0.062 232.8)
- #56331C
#56331C
oklch(35.9% 0.062 52.8)
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 #134258, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.026
- Dark Blue Grey #1F3B4D ΔE 0.026
- Dark Grey Blue #29465B ΔE 0.027
- Midnight Green #073B4C ΔE 0.031
- Prussian Blue #1D3557 ΔE 0.042
- Dark Teal #014D4E ΔE 0.046
- Marine Blue #01386A ΔE 0.051
- Onyx #343A40 ΔE 0.051
Use #134258 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.