#456E7D
Closest named color: Slate (#516572). oklch(51.4% 0.052 223.2), rgb(69, 110, 125).
Aa
White text reads best on this color (5.55:1).
About this color
#456E7D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.052 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.029 away. White text reads best on it, at 5.55:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.77:1 |
| White text | 5.55:1 |
Values
| HEX | #456E7D |
| RGB | rgb(69, 110, 125) |
| HSL | hsl(196, 29%, 38%) |
| OKLCH | oklch(51.4% 0.052 223.2) |
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 #456E7D | 5.55:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #456E7D | 3.77:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #456E7D text on white | 5.55:1 | AA | Lc 77.7 | Fine for body text |
| #456E7D text on black | 3.77:1 | AA large text | Lc -24.1 | 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 700.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#D0DBE0
oklch(88.5% 0.014 226.6)
-
Step 300
300
#B0C5CC
oklch(81% 0.025 219.8)
-
Step 400
400
#86A7B3
oklch(70.8% 0.04 222)
-
Step 500
500
#6791A0
oklch(63.1% 0.051 222.1)
-
Step 600
600
#4E7B8B
oklch(55.7% 0.055 222.5)
-
Step 700
700 (this color)
#456E7D
oklch(51.4% 0.052 223.2)
-
Step 800
800
#345460
oklch(42.6% 0.042 223.7)
-
Step 900
900
#2E464F
oklch(37.8% 0.033 223.4)
-
Step 950
950
#1B292E
oklch(27% 0.021 222)
#456E7D 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) | #656C7E | 0.041 |
| Deuteranopia (no green cones) | #5D657D | 0.039 |
| Tritanopia (no blue cones) | #2D7373 | 0.034 |
| Achromatopsia (no color) | #686868 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #456E7D
#456E7D
oklch(51.4% 0.052 223.2)
- #815E4F
#815E4F
oklch(51.4% 0.052 44.2)
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 #456E7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.029
- Metallic Blue #4F738E ΔE 0.032
- Deep Aqua #08787F ΔE 0.044
- Deep Turquoise #017374 ΔE 0.047
- Sea Blue #047495 ΔE 0.048
- Denim #3B638C ΔE 0.049
- Dull Blue #49759C ΔE 0.050
- Dark Aquamarine #017371 ΔE 0.050
Use #456E7D 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.