#458AB8
Closest named color: Cool Blue (#4984B8). oklch(60.8% 0.099 240.3), rgb(69, 138, 184).
Aa
Black text reads best on this color (5.58:1).
About this color
#458AB8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.099 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.017 away. Black text reads best on it, at 5.58:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.58:1 |
| White text | 3.76:1 |
Values
| HEX | #458AB8 |
| RGB | rgb(69, 138, 184) |
| HSL | hsl(204, 45%, 50%) |
| OKLCH | oklch(60.8% 0.099 240.3) |
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 #458AB8 | 3.76:1 | AA large text | Lc -70.5 | Content text, not long reading |
| Black text on #458AB8 | 5.58:1 | AA | Lc 39.1 | Non-text elements, placeholder text |
| #458AB8 text on white | 3.76:1 | AA large text | Lc 65.0 | Content text, not long reading |
| #458AB8 text on black | 5.58:1 | AA | Lc -36.7 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CADCE9
oklch(88.5% 0.026 239.1)
-
Step 300
300
#A5C5DD
oklch(80.8% 0.048 240.6)
-
Step 400
400
#73A7CC
oklch(70.6% 0.077 240.2)
-
Step 500
500 (this color)
#458AB8
oklch(60.8% 0.099 240.3)
-
Step 600
600
#2B7AAC
oklch(55.5% 0.108 240.8)
-
Step 700
700
#1D6793
oklch(49.1% 0.099 240.1)
-
Step 800
800
#1B5478
oklch(42.7% 0.083 240.8)
-
Step 900
900
#1D4660
oklch(37.8% 0.064 239.4)
-
Step 950
950
#122938
oklch(27% 0.04 239.2)
#458AB8 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) | #758ABA | 0.052 |
| Deuteranopia (no green cones) | #657EB7 | 0.044 |
| Tritanopia (no blue cones) | #00959A | 0.071 |
| Achromatopsia (no color) | #848484 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #458AB8
#458AB8
oklch(60.8% 0.099 240.3)
- #AE7441
#AE7441
oklch(60.9% 0.099 60.6)
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 #458AB8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.017
- Steel Blue #4682B4 ΔE 0.022
- Off Blue #5684AE ΔE 0.023
- Dusty Blue #5A86AD ΔE 0.024
- Blue NCS #118AB2 ΔE 0.031
- Faded Blue #658CBB ΔE 0.034
- Water Blue #0E87CC ΔE 0.043
- Stormy Blue #507B9C ΔE 0.052
Use #458AB8 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.