#45708F
Closest named color: Metallic Blue (#4F738E). oklch(52.7% 0.069 241.1), rgb(69, 112, 143).
Aa
White text reads best on this color (5.29:1).
About this color
#45708F is a medium-dark, muted blue. In OKLCH its lightness is 53%, its chroma 0.069 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.016 away. White text reads best on it, at 5.29:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.96:1 |
| White text | 5.29:1 |
Values
| HEX | #45708F |
| RGB | rgb(69, 112, 143) |
| HSL | hsl(205, 35%, 42%) |
| OKLCH | oklch(52.7% 0.069 241.1) |
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 #45708F | 5.29:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #45708F | 3.96:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #45708F text on white | 5.29:1 | AA | Lc 76.2 | Fine for body text |
| #45708F text on black | 3.96:1 | AA large text | Lc -25.5 | 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 600.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#D0DBE4
oklch(88.6% 0.017 242.5)
-
Step 300
300
#B0C4D3
oklch(81% 0.03 240.3)
-
Step 400
400
#86A5BD
oklch(70.7% 0.049 241.7)
-
Step 500
500
#678FAC
oklch(63.2% 0.062 240.5)
-
Step 600
600 (this color)
#45708F
oklch(52.7% 0.069 241.1)
-
Step 700
700
#3E6582
oklch(49% 0.064 241.9)
-
Step 800
800
#345369
oklch(42.8% 0.052 240.4)
-
Step 900
900
#2D4556
oklch(37.8% 0.042 240.1)
-
Step 950
950
#1B2832
oklch(27% 0.026 242)
#45708F 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) | #627090 | 0.036 |
| Deuteranopia (no green cones) | #58688E | 0.030 |
| Tritanopia (no blue cones) | #1E787A | 0.057 |
| Achromatopsia (no color) | #6B6B6B | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45708F
#45708F
oklch(52.7% 0.069 241.1)
- #886241
#886241
oklch(52.8% 0.068 61.5)
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 #45708F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.016
- Dull Blue #49759C ΔE 0.024
- Muted Blue #3B719F ΔE 0.026
- Cerulean #457B9D ΔE 0.035
- Sea Blue #047495 ΔE 0.038
- Stormy Blue #507B9C ΔE 0.038
- Flat Blue #3C73A8 ΔE 0.039
- Ocean Blue #03719C ΔE 0.041
Use #45708F 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.