#488FC9
Closest named color: Faded Blue (#658CBB). oklch(63% 0.113 245.6), rgb(72, 143, 201).
Aa
Black text reads best on this color (6.04:1).
About this color
#488FC9 is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.113 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.033 away. Black text reads best on it, at 6.04:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.04:1 |
| White text | 3.47:1 |
Values
| HEX | #488FC9 |
| RGB | rgb(72, 143, 201) |
| HSL | hsl(207, 54%, 54%) |
| OKLCH | oklch(63% 0.113 245.6) |
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 #488FC9 | 3.47:1 | AA large text | Lc -67.5 | Content text, not long reading |
| Black text on #488FC9 | 6.04:1 | AA | Lc 42.0 | Non-text elements, placeholder text |
| #488FC9 text on white | 3.47:1 | AA large text | Lc 62.0 | Content text, not long reading |
| #488FC9 text on black | 6.04:1 | AA | Lc -39.6 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C9DCED
oklch(88.6% 0.031 245.1)
-
Step 300
300
#A4C5E3
oklch(80.9% 0.055 246)
-
Step 400
400
#71A6D5
oklch(70.6% 0.089 246.2)
-
Step 500
500 (this color)
#488FC9
oklch(63% 0.113 245.6)
-
Step 600
600
#2679B6
oklch(55.7% 0.122 245.3)
-
Step 700
700
#17659D
oklch(49% 0.115 245.8)
-
Step 800
800
#17537F
oklch(42.7% 0.094 245.3)
-
Step 900
900
#1B4566
oklch(37.8% 0.073 245.3)
-
Step 950
950
#11283C
oklch(26.9% 0.047 246.9)
#488FC9 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) | #7591CC | 0.049 |
| Deuteranopia (no green cones) | #6484C8 | 0.038 |
| Tritanopia (no blue cones) | #009DA3 | 0.087 |
| Achromatopsia (no color) | #8A8A8A | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #488FC9
#488FC9
oklch(63% 0.113 245.6)
- #B77A36
#B77A36
oklch(63% 0.113 65.9)
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 #488FC9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.033
- Cool Blue #4984B8 ΔE 0.036
- Water Blue #0E87CC ΔE 0.042
- Dark Sky Blue #448EE4 ΔE 0.042
- Steel Blue #4682B4 ΔE 0.044
- Dusty Blue #5A86AD ΔE 0.044
- Off Blue #5684AE ΔE 0.045
- Blue NCS #118AB2 ΔE 0.051
Use #488FC9 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.