#AACEE7
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.4% 0.052 238.6), rgb(170, 206, 231).
Aa
Black text reads best on this color (12.69:1).
About this color
#AACEE7 is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.052 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.019 away. Black text reads best on it, at 12.69:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.69:1 |
| White text | 1.65:1 |
Values
| HEX | #AACEE7 |
| RGB | rgb(170, 206, 231) |
| HSL | hsl(205, 56%, 79%) |
| OKLCH | oklch(83.4% 0.052 238.6) |
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 #AACEE7 | 1.65:1 | Fails | Lc -32.6 | Non-text elements, placeholder text |
| Black text on #AACEE7 | 12.69:1 | AAA | Lc 74.9 | Content text, not long reading |
| #AACEE7 text on white | 1.65:1 | Fails | Lc 28.9 | Dividers and decoration only |
| #AACEE7 text on black | 12.69:1 | AAA | Lc -74.0 | 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
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DCEA
oklch(88.4% 0.029 238.3)
-
Step 300
300 (this color)
#AACEE7
oklch(83.4% 0.052 238.6)
-
Step 400
400
#6EA8CF
oklch(70.7% 0.083 239)
-
Step 500
500
#4392C2
oklch(63.1% 0.106 238.3)
-
Step 600
600
#1B7BAF
oklch(55.5% 0.116 239)
-
Step 700
700
#076896
oklch(49.1% 0.107 238.1)
-
Step 800
800
#0F557A
oklch(42.8% 0.089 238.4)
-
Step 900
900
#174662
oklch(37.6% 0.069 238.8)
-
Step 950
950
#0F2939
oklch(26.9% 0.044 238.4)
#AACEE7 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) | #C3CDE8 | 0.031 |
| Deuteranopia (no green cones) | #BBC6E7 | 0.028 |
| Tritanopia (no blue cones) | #98D4D6 | 0.040 |
| Achromatopsia (no color) | #C9C9C9 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACEE7
#AACEE7
oklch(83.4% 0.052 238.6)
- #E3C1A8
#E3C1A8
oklch(83.4% 0.052 58.3)
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 #AACEE7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.019
- Light Steel Blue #B0C4DE ΔE 0.026
- Light Blue #ADD8E6 ΔE 0.028
- Cloudy Blue #ACC2D9 ΔE 0.032
- Baby Blue #A2CFFE ΔE 0.033
- Sky Blue #87CEEB ΔE 0.038
- Celeste #A8DADC ΔE 0.041
- Light Cornflower Blue #98C1D9 ΔE 0.044
Use #AACEE7 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.