#AACFEE
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.8% 0.059 243.8), rgb(170, 207, 238).
Aa
Black text reads best on this color (12.86:1).
About this color
#AACFEE is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.059 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.023 away. Black text reads best on it, at 12.86:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.86:1 |
| White text | 1.63:1 |
Values
| HEX | #AACFEE |
| RGB | rgb(170, 207, 238) |
| HSL | hsl(207, 67%, 80%) |
| OKLCH | oklch(83.8% 0.059 243.8) |
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 #AACFEE | 1.63:1 | Fails | Lc -31.7 | Non-text elements, placeholder text |
| Black text on #AACFEE | 12.86:1 | AAA | Lc 75.7 | Fine for body text |
| #AACFEE text on white | 1.63:1 | Fails | Lc 28.1 | Dividers and decoration only |
| #AACFEE text on black | 12.86:1 | AAA | Lc -74.8 | Content text, not long reading |
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 300.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C8DCEE
oklch(88.5% 0.033 245.3)
-
Step 300
300 (this color)
#AACFEE
oklch(83.8% 0.059 243.8)
-
Step 400
400
#6BA7D7
oklch(70.6% 0.094 243.8)
-
Step 500
500
#3F90CC
oklch(63% 0.12 243.9)
-
Step 600
600
#1379B9
oklch(55.5% 0.131 243.9)
-
Step 700
700
#00669F
oklch(49.1% 0.12 243.6)
-
Step 800
800
#095381
oklch(42.6% 0.1 243.9)
-
Step 900
900
#144568
oklch(37.6% 0.079 244.1)
-
Step 950
950
#0E293D
oklch(27.1% 0.05 243.6)
#AACFEE 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) | #C3CFF0 | 0.032 |
| Deuteranopia (no green cones) | #BAC7ED | 0.027 |
| Tritanopia (no blue cones) | #96D6D9 | 0.047 |
| Achromatopsia (no color) | #CACACA | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACFEE
#AACFEE
oklch(83.8% 0.059 243.8)
- #E6C3A3
#E6C3A3
oklch(83.9% 0.059 64.3)
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 #AACFEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.023
- Baby Blue #A2CFFE ΔE 0.024
- Light Blue #ADD8E6 ΔE 0.030
- Light Steel Blue #B0C4DE ΔE 0.031
- Cloudy Blue #ACC2D9 ΔE 0.038
- Sky Blue #87CEEB ΔE 0.039
- Light Sky Blue #87CEFA ΔE 0.041
- Light Periwinkle #C1C6FC ΔE 0.045
Use #AACFEE 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.